{"id":12731,"date":"2026-06-10T12:35:35","date_gmt":"2026-06-10T12:35:35","guid":{"rendered":"https:\/\/www.vedprep.com\/exams\/?p=12731"},"modified":"2026-06-10T12:41:15","modified_gmt":"2026-06-10T12:41:15","slug":"thermodynamics-of-biological-systems","status":"publish","type":"post","link":"https:\/\/www.vedprep.com\/exams\/iit-jam\/thermodynamics-of-biological-systems\/","title":{"rendered":"Thermodynamics of Biological Systems: Master IIT JAM 2027"},"content":{"rendered":"<p>This article provides an in-depth understanding of <strong>Thermodynamics of biological systems<\/strong>, a crucial topic in IIT JAM, covering principles, applications, and exam strategies.<\/p>\n<h2><strong>Syllabus: Thermodynamics and Biological Systems (Unit 1)<\/strong><\/h2>\n<p data-path-to-node=\"3\">If you are cracking down on your <a href=\"https:\/\/jam2026.iitb.ac.in\/files\/syllabus_CY.pdf\" rel=\"nofollow noopener\" target=\"_blank\"><strong>IIT JAM<\/strong><\/a>, this is where the rubber meets the road. The <strong>Thermodynamics of biological systems<\/strong> sits right inside Unit 1 of the syllabus, and honestly, you cannot afford to skip it.<\/p>\n<p data-path-to-node=\"4\">To get a solid grip on the basics, P.W. Atkins\u2019 <i data-path-to-node=\"4\" data-index-in-node=\"48\">Physical Chemistry<\/i> is a classic choice for mapping out core thermodynamic principles. But since we are talking about living systems here, flipping through L.Stryer\u2019s <i data-path-to-node=\"4\" data-index-in-node=\"214\">Biochemistry<\/i> will help you see how these exact laws play out in real, living organisms.<\/p>\n<p data-path-to-node=\"5\">The heavy hitters in this unit are <b data-path-to-node=\"5\" data-index-in-node=\"35\">free energy<\/b>, <b data-path-to-node=\"5\" data-index-in-node=\"48\">entropy<\/b>, and <b data-path-to-node=\"5\" data-index-in-node=\"61\">equilibrium<\/b>. Think of free energy changes as your roadmap to predicting whether a biochemical reaction will happen on its own or if it needs an energy boost. Meanwhile, entropy and equilibrium give you the actual rules for how energy behaves inside a cell. By the time you head into the exam hall, you should feel completely comfortable calculating free energy shifts and figuring out how entropy dictates where a system settles down.<\/p>\n<h2><strong>Thermodynamics of Biological Systems For IIT JAM: A Conceptual Overview<\/strong><\/h2>\n<p data-path-to-node=\"8\">Let\u2019s clear something up right away: living things are <b data-path-to-node=\"8\" data-index-in-node=\"55\">open systems<\/b>. This just means we constantly swap both energy and matter with our surroundings. If you eat a sandwich or breathe out carbon dioxide, you are acting as an open system. Compare that to a closed system, which only swaps energy but keeps its matter to itself, or an isolated system, which is completely cut off from the universe.<\/p>\n<p data-path-to-node=\"9\">When we look at the <b data-path-to-node=\"9\" data-index-in-node=\"20\">thermodynamics of biological systems<\/b>, we are basically figuring out the rules behind heat, work, and energy inside living things. It gives us a framework to track how cells manage disorder\u2014which we call <b data-path-to-node=\"9\" data-index-in-node=\"223\">entropy<\/b>\u2014and how they power metabolic reactions.<\/p>\n<p data-path-to-node=\"10\">As per the <strong>Thermodynamics of biological systems, <\/strong>the real star of the show here is <b data-path-to-node=\"10\" data-index-in-node=\"34\">free energy<\/b>, or \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"50\">G<\/span>. It tells you exactly how much energy is actually free to do work.<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">If \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"3\">G<\/span>\u00a0is negative, the reaction is spontaneous (it is ready to roll on its own).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">If \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"3\">G<\/span>\u00a0is positive, it is non-spontaneous (it needs an external energy push).<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"12\">At <a href=\"https:\/\/www.vedprep.com\/online-courses\"><b data-path-to-node=\"12\" data-index-in-node=\"3\">VedPrep<\/b><\/a>, we always tell students that mastering \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"51\">G<\/span>\u00a0is your golden ticket to predicting biochemical reactions, which is a massive chunk of the IIT JAM paper.<\/p>\n<h2><strong>Worked Example &#8211; Enzyme-Catalyzed Reactions and Gibbs Free Energy<\/strong><\/h2>\n<p data-path-to-node=\"15\">Gibbs free energy (\u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"19\">G<\/span>) is easily one of the most tested concepts when it comes to the <b data-path-to-node=\"15\" data-index-in-node=\"92\">thermodynamics of biological systems<\/b>. Let\u2019s look at a classic problem type you might encounter in the <strong>Thermodynamics of biological systems<\/strong>.<\/p>\n<p data-path-to-node=\"16\">Imagine a standard cellular reaction where glucose gets a phosphate group added to it:<\/p>\n<div data-path-to-node=\"17\">\n<div class=\"math-block\" style=\"text-align: center;\" data-math=\"\\text{Glucose} + \\text{Phosphate} \\rightarrow \\text{Glucose-6-phosphate} + \\text{H}_2\\text{O}\">Glucose + Phosphate \u2192 Glucose-6-phosphate + H\u2082O<\/div>\n<div data-math=\"\\text{Glucose} + \\text{Phosphate} \\rightarrow \\text{Glucose-6-phosphate} + \\text{H}_2\\text{O}\">The standard Gibbs free energy change (\u0394<span class=\"math-inline\" data-math=\"\\Delta G^\\circ\" data-index-in-node=\"39\">G\u00b0<\/span>) for this step is <span class=\"math-inline\" data-math=\"13.8 \\text{ kJ\/mol}\" data-index-in-node=\"72\">13.8\u00a0 kJ\/mol<\/span>. Let&#8217;s say the actual concentrations in our hypothetical cell are <span class=\"math-inline\" data-math=\"1 \\text{ mM}\" data-index-in-node=\"158\">1\u00a0 mM<\/span> glucose, <span class=\"math-inline\" data-math=\"2 \\text{ mM}\" data-index-in-node=\"180\">2\u00a0 mM<\/span> phosphate, <span class=\"math-inline\" data-math=\"0.5 \\text{ mM}\" data-index-in-node=\"208\">0.5\u00a0 mM<\/span> glucose-6-phosphate. Let&#8217;s find the actual \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"266\">G<\/span> at <span class=\"math-inline\" data-math=\"25^\\circ\\text{C}\" data-index-in-node=\"278\">25\u00b0C<\/span>.<\/div>\n<div data-math=\"\\text{Glucose} + \\text{Phosphate} \\rightarrow \\text{Glucose-6-phosphate} + \\text{H}_2\\text{O}\">To solve this, we use the standard formula:<\/div>\n<div data-math=\"\\text{Glucose} + \\text{Phosphate} \\rightarrow \\text{Glucose-6-phosphate} + \\text{H}_2\\text{O}\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22133 aligncenter\" src=\"https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/standard--300x57.png\" alt=\"standard\" width=\"300\" height=\"57\" srcset=\"https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/standard--300x57.png 300w, https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/standard-.png 350w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n<div data-math=\"\\text{Glucose} + \\text{Phosphate} \\rightarrow \\text{Glucose-6-phosphate} + \\text{H}_2\\text{O}\">\n<p data-path-to-node=\"21\">Where:<\/p>\n<ul data-path-to-node=\"22\">\n<li>\n<p data-path-to-node=\"22,0,0\"><span class=\"math-inline\" data-math=\"Q\" data-index-in-node=\"0\">Q<\/span>\u00a0is the reaction quotient.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,1,0\"><span class=\"math-inline\" data-math=\"R\" data-index-in-node=\"0\">R<\/span>\u00a0is the gas constant (<span class=\"math-inline\" data-math=\"8.314 \\text{ J\/(mol}\\cdot\\text{K)}\" data-index-in-node=\"23\">8.314\u00a0 J\/(mol\u00b7K)<\/span>).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"22,2,0\"><span class=\"math-inline\" data-math=\"T\" data-index-in-node=\"0\">T<\/span>\u00a0is the absolute temperature in Kelvin.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"23\">First, let&#8217;s convert our units so everything matches up smoothly:<\/p>\n<ul data-path-to-node=\"24\">\n<li>\n<p data-path-to-node=\"24,0,0\"><span class=\"math-inline\" data-math=\"\\Delta G^\\circ = 13.8 \\text{ kJ\/mol} = 13800 \\text{ J\/mol}\" data-index-in-node=\"0\">\u0394G\u00b0 = 13.8\u00a0 kJ\/mol} = 13800\u00a0 J\/mol<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"24,1,0\"><span class=\"math-inline\" data-math=\"T = 25^\\circ\\text{C} + 273 = 298 \\text{ K}\" data-index-in-node=\"0\">T = 25\u00b0 C+ 273 = 298\u00a0 K<\/span><\/p>\n<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>Now, let&#8217;s set up the reaction quotient, <span class=\"math-inline\" data-math=\"Q\" data-index-in-node=\"41\">Q<\/span>, using the molar concentrations (converting <span class=\"math-inline\" data-math=\"\\text{mM}\" data-index-in-node=\"87\">mM<\/span>\u00a0to <span class=\"math-inline\" data-math=\"\\text{M}\" data-index-in-node=\"100\">M<\/span>\u00a0cancels out in the ratio):<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-22134 aligncenter\" src=\"https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/molar-concentrations-300x39.png\" alt=\"molar concentrations\" width=\"300\" height=\"39\" srcset=\"https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/molar-concentrations-300x39.png 300w, https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/molar-concentrations-768x100.png 768w, https:\/\/www.vedprep.com\/exams\/wp-content\/uploads\/molar-concentrations.png 961w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Let&#8217;s plug these numbers right back into the main equation:<\/p>\n<div data-path-to-node=\"28\">\n<div class=\"math-block\" style=\"text-align: center;\" data-math=\"\\Delta G = 13800 + (8.314 \\times 298 \\times \\ln(250))\">\u0394G = 13800 + (8.314 \u00d7 298 \u00d7 ln(250))<\/div>\n<\/div>\n<div style=\"text-align: center;\" data-path-to-node=\"29\">\n<div class=\"math-block\" data-math=\"\\Delta G = 13800 + (2477.57 \\times 5.521)\">\u0394G = 13800 + (2477.57 \u00d7 5.521)<\/div>\n<\/div>\n<div data-path-to-node=\"30\">\n<div class=\"math-block\" style=\"text-align: center;\" data-math=\"\\Delta G = 13800 + 13678.7 = 27478.7 \\text{ J\/mol} \\approx 27.48 \\text{ kJ\/mol}\">\u0394G = 13800 + 13678.7 = 27478.7\u00a0 J\/mol \u2248 27.48\u00a0 kJ\/mol<\/div>\n<div data-math=\"\\Delta G = 13800 + 13678.7 = 27478.7 \\text{ J\/mol} \\approx 27.48 \\text{ kJ\/mol}\"><b data-path-to-node=\"31\" data-index-in-node=\"0\">Answer:<\/b> The actual \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"19\">G<\/span> for this reaction under these specific conditions is approximately <span class=\"math-inline\" data-math=\"27.48 \\text{ kJ\/mol}\" data-index-in-node=\"95\">27.48\u00a0 kJ\/mol<\/span>. Because it is positive, this specific step cannot happen on its own without being coupled to something like ATP hydrolysis.<\/div>\n<\/div>\n<h2><strong>Misconception &#8211; Thermodynamics and Life Processes<\/strong><\/h2>\n<p data-path-to-node=\"34\">A lot of students think thermodynamics only belongs in a mechanical engineering class dealing with steam engines and car radiators. It is easy to see why people get that impression, but it misses the bigger picture. Thermodynamics rules living systems just as much as it rules machines.<\/p>\n<p data-path-to-node=\"35\">As per the <strong>Thermodynamics of biological systems, <\/strong>think about the second law of thermodynamics, which states that the universe naturally moves toward chaos and high entropy. If a house is left empty, it gathers dust and falls apart; it doesn&#8217;t clean itself. Living systems face the exact same problem.<\/p>\n<p data-path-to-node=\"36\">Imagine a completely fictional scenario where a cell decides to stop taking in energy. Without that constant intake of low-entropy food and the ability to dump high-entropy waste back out into the world, the cell would quickly succumb to chaos and break down.<\/p>\n<p data-path-to-node=\"37\">To keep everything running smoothly, <strong>Thermodynamics of biological systems<\/strong> use the fundamental relationship.<\/p>\n<div class=\"math-block\" style=\"text-align: center;\" data-math=\"\\Delta G = \\Delta H - T\\Delta S\">\u0394G = \u0394H &#8211; T\u0394S<\/div>\n<div data-math=\"\\Delta G = \\Delta H - T\\Delta S\">\n<p data-path-to-node=\"39\">This equation balances enthalpy (\u0394<span class=\"math-inline\" data-math=\"\\Delta H\" data-index-in-node=\"33\">H<\/span>), temperature (<span class=\"math-inline\" data-math=\"T\" data-index-in-node=\"57\">T<\/span>), and entropy (\u0394<span class=\"math-inline\" data-math=\"\\Delta S\" data-index-in-node=\"74\">S<\/span>) to show how organisms stay organized. Here at <a href=\"https:\/\/www.vedprep.com\/online-courses\/iit-jam\"><b data-path-to-node=\"39\" data-index-in-node=\"130\">VedPrep<\/b><\/a>, we break this down into three simple pillars you need to know for the exam:<\/p>\n<ul data-path-to-node=\"40\">\n<li>\n<p data-path-to-node=\"40,0,0\">How cells convert and store energy.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"40,1,0\">How metabolic pathways maximize their efficiency.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"40,2,0\">How enzymes step in to keep everything moving at the right speed.<\/p>\n<\/li>\n<\/ul>\n<\/div>\n<h2><strong>Application &#8211; Thermodynamics in Biochemical Reactions<\/strong><\/h2>\n<p data-path-to-node=\"43\">At its core, biochemistry is just a series of molecular transformations. Every time a bond breaks or forms, energy shifts around.<\/p>\n<p data-path-to-node=\"44\">The first law of thermodynamics keeps things simple: energy cannot be created out of nowhere or just disappear. It only changes its form. When a cell breaks down glucose, it is taking chemical bond energy and converting it into ATP and heat.<\/p>\n<p data-path-to-node=\"45\">As per the <strong>Thermodynamics of biological systems, <\/strong>The second law helps us figure out the direction of these reactions. A negative \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"80\">G<\/span>\u00a0means the reaction is thermodynamically favored to move forward. By keeping tabs on these thermodynamic variables, researchers can map out metabolic pathways and predict exactly how a biological system will behave under different pressures.<\/p>\n<h2><strong>Exam Strategy &#8211; Focus Areas for IIT JAM and CSIR NET<\/strong><\/h2>\n<p data-path-to-node=\"48\">When you are preparing for a competitive paper like IIT JAM, you want to study smart to cover the <strong>Thermodynamics of biological systems<\/strong>. Don&#8217;t just memorize formulas; make sure you understand how the variables interact.<\/p>\n<p data-path-to-node=\"49\">Focus heavily on calculating \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"29\">G<\/span>\u00a0under non-standard conditions, and make sure you are fully comfortable converting units between Joules and Calories without making silly calculation errors. Practice how reactions couple together\u2014like how an unfavorable reaction pairs up with ATP breakdown to get the job done.<\/p>\n<h2 data-path-to-node=\"49\"><strong>Final Thoughts\u00a0<\/strong><\/h2>\n<p data-path-to-node=\"49\">When you are staring down a massive syllabus like the one for IIT JAM, it is easy to get overwhelmed by all the formulas. But if you stop looking at the <b data-path-to-node=\"2\" data-index-in-node=\"153\">thermodynamics of biological systems<\/b> as just numbers on a page and start seeing it as the literal operating system of life, the concepts start to click. At the end of the day, passing this section comes down to mastering the balance between \u0394<span class=\"math-inline\" data-math=\"\\Delta G\" data-index-in-node=\"394\">G<\/span>, \u0394<span class=\"math-inline\" data-math=\"\\Delta H\" data-index-in-node=\"404\">H<\/span>, and \u0394<span class=\"math-inline\" data-math=\"\\Delta S\" data-index-in-node=\"418\">S<\/span>, keeping your units perfectly aligned, and practicing real exam-style problems.<\/p>\n<p data-path-to-node=\"49\">To know more in detail from our faculty, watch our YouTube video:<\/p>\n<p class=\"responsive-video-wrap clr\"><iframe title=\"Thermodynamics CSIR NET Chemistry | Introduction to Thermodynamics | GATE\/IIT JAM \/JEE\/NEET\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/panT-sms9js?list=PLdZcCa6mtW23oeoAOEkn9uw5rJm29Alm0\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<section>\n<h2><strong>Frequently Asked Questions<\/strong><\/h2>\n<\/section>\n<style>#sp-ea-22138 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-22138.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-22138.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-22138.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-22138.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-22138.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1781094559\">\n<div id=\"sp-ea-22138\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\">\n\n<!-- Start accordion card div. -->\n<div class=\"ea-card ea-expand sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221380\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221380\" aria-controls=\"collapse221380\" href=\"#\"  aria-expanded=\"true\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> What is thermodynamics in biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse221380\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221380\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamics in biological systems is the study of energy transformations and interactions between living organisms and their environment, focusing on the principles of heat, work, and energy conservation.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221381\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221381\" aria-controls=\"collapse221381\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are the laws of thermodynamics?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221381\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221381\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">The laws of thermodynamics are: (1) Zeroth law (temperature equality), (1st law) energy conservation, (2nd law) entropy increase, and (3rd law) absolute zero entropy.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221382\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221382\" aria-controls=\"collapse221382\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the significance of entropy in biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221382\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221382\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Entropy measures disorder or randomness in biological systems, helping to understand energy availability and spontaneity of biochemical reactions, crucial for life processes.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221383\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221383\" aria-controls=\"collapse221383\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How does thermodynamics apply to biochemical reactions?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221383\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221383\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamics helps predict the feasibility and energy changes in biochemical reactions, essential for understanding metabolic pathways and energy production in living organisms.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221384\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221384\" aria-controls=\"collapse221384\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the role of energy coupling in biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221384\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221384\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Energy coupling links exergonic and endergonic reactions, allowing cells to harness energy from one reaction to drive another, vital for maintaining life processes.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221385\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221385\" aria-controls=\"collapse221385\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are the different types of thermodynamic systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221385\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221385\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamic systems can be isolated, closed, or open, depending on the exchange of matter and energy with the surroundings.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221386\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221386\" aria-controls=\"collapse221386\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How does temperature affect biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221386\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221386\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Temperature influences reaction rates, enzyme activity, and protein structure in biological systems, impacting overall metabolic efficiency and organism function.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221387\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221387\" aria-controls=\"collapse221387\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are the applications of thermodynamics in biology?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221387\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221387\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamics applies to understanding metabolic pathways, energy production, membrane transport, and the behavior of biological macromolecules.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221388\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221388\" aria-controls=\"collapse221388\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How does thermodynamics relate to biochemical pathways?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221388\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221388\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamics guides the understanding of biochemical pathways by analyzing energy changes, identifying key regulatory steps, and predicting pathway efficiency.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-221389\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse221389\" aria-controls=\"collapse221389\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How to apply thermodynamic principles to solve IIT JAM problems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse221389\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-221389\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">To solve IIT JAM problems, focus on applying thermodynamic laws to biochemical reactions, energy changes, and system interactions, using equations and concepts like Gibbs free energy and equilibrium constants.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-2213810\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse2213810\" aria-controls=\"collapse2213810\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are common IIT JAM questions on thermodynamics?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse2213810\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-2213810\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Common questions include calculating energy changes in reactions, determining spontaneity, and applying thermodynamic laws to biological systems and biochemical pathways.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-2213811\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse2213811\" aria-controls=\"collapse2213811\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are common mistakes in applying thermodynamic laws?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse2213811\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-2213811\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Common mistakes include incorrect application of signs to energy changes, misunderstanding the role of entropy, and neglecting to consider temperature and pressure effects.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-2213812\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse2213812\" aria-controls=\"collapse2213812\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What is the relationship between thermodynamics and statistical mechanics?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse2213812\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-2213812\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Thermodynamics and statistical mechanics are connected through the concept of entropy, with statistical mechanics providing a molecular-level explanation of thermodynamic phenomena.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-2213813\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse2213813\" aria-controls=\"collapse2213813\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> How does non-equilibrium thermodynamics apply to biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse2213813\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-2213813\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Non-equilibrium thermodynamics studies systems not in equilibrium, crucial for understanding biological systems where local equilibria are maintained through energy input.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<!-- Start accordion card div. -->\n<div class=\"ea-card  sp-ea-single\">\n\t<!-- Start accordion header. -->\n\t<h3 class=\"ea-header\">\n\t\t<!-- Add anchor tag for header. -->\n\t\t<a class=\"collapsed\" id=\"ea-header-2213814\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse2213814\" aria-controls=\"collapse2213814\" href=\"#\"  aria-expanded=\"false\" tabindex=\"0\">\n\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> What are recent advancements in thermodynamics of biological systems?\t\t<\/a> <!-- Close anchor tag for header. -->\n\t<\/h3>\t<!-- Close header tag. -->\n\t<!-- Start collapsible content div. -->\n\t<div class=\"sp-collapse spcollapse \" id=\"collapse2213814\" data-parent=\"#sp-ea-22138\" role=\"region\" aria-labelledby=\"ea-header-2213814\">  <!-- Content div. -->\n\t\t<div class=\"ea-body\">\n\t\t<p><span style=\"font-weight: 400\">Recent advancements include studies on single-molecule thermodynamics, thermodynamic aspects of gene regulation, and applications of non-equilibrium thermodynamics.<\/span><\/p>\n\t\t<\/div> <!-- Close content div. -->\n\t<\/div> <!-- Close collapse div. -->\n<\/div> <!-- Close card div. -->\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>This article provides an in-depth understanding of Thermodynamics of biological systems, a crucial topic in IIT JAM and CSIR NET, covering principles, applications, and exam strategies. Students preparing for IIT JAM, GATE, and CSIR NET exams need to focus on this unit.<\/p>\n","protected":false},"author":11,"featured_media":12730,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","rank_math_seo_score":88},"categories":[23],"tags":[2923,7741,7742,7743,7744,2922],"class_list":["post-12731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iit-jam","tag-competitive-exams","tag-thermodynamics-of-biological-systems-for-iit-jam","tag-thermodynamics-of-biological-systems-for-iit-jam-notes","tag-thermodynamics-of-biological-systems-for-iit-jam-questions","tag-thermodynamics-of-biological-systems-for-iit-jam-study-material","tag-vedprep","entry","has-media"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/12731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/comments?post=12731"}],"version-history":[{"count":5,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/12731\/revisions"}],"predecessor-version":[{"id":22141,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/12731\/revisions\/22141"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/media\/12730"}],"wp:attachment":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/media?parent=12731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/categories?post=12731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/tags?post=12731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}