What is the disadvantage of glycolysis?<\/p>\n\n\n\n
The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n One major disadvantage of glycolysis is that it is inefficient in energy production<\/strong> compared to aerobic respiration. Glycolysis produces only 2 ATP molecules per glucose molecule<\/strong>, whereas aerobic respiration can generate up to 38 ATP molecules per glucose<\/strong>.<\/p>\n\n\n\n Glycolysis is the first step of cellular respiration, occurring in the cytoplasm<\/strong> of cells. It breaks down one molecule of glucose (C\u2086H\u2081\u2082O\u2086) into two molecules of pyruvate<\/strong>, generating 2 ATP and 2 NADH molecules<\/strong> in the process. While glycolysis is beneficial because it can function in both aerobic and anaerobic conditions, it has several disadvantages.<\/p>\n\n\n\n The primary drawback of glycolysis is its low energy yield<\/strong>. The process produces only 2 ATP per glucose<\/strong>, which is significantly lower than the ATP output of aerobic respiration (which can generate up to 38 ATP per glucose<\/strong>). This means that cells relying solely on glycolysis for energy need to consume large amounts of glucose<\/strong> to meet their energy demands.<\/p>\n\n\n\n Additionally, glycolysis leads to the accumulation of pyruvate and NADH<\/strong>, which must be further processed. Under anaerobic conditions, pyruvate is converted into lactic acid (in animals) or ethanol and CO\u2082 (in yeast)<\/strong> through fermentation. This leads to lactic acid buildup<\/strong>, causing muscle fatigue and cramps<\/strong>. In contrast, in aerobic respiration, pyruvate enters the mitochondria<\/strong>, where it is efficiently broken down to produce more ATP.<\/p>\n\n\n\n Another disadvantage is that glycolysis produces NADH<\/strong>, which needs to be recycled back to NAD\u207a to sustain glycolysis. If NAD\u207a is not regenerated, glycolysis halts<\/strong>, stopping ATP production and leading to cellular energy crisis<\/strong>.<\/p>\n\n\n\n In conclusion, while glycolysis is a quick and universal energy-producing pathway, its low efficiency, dependence on glucose, and potential for harmful byproducts<\/strong> make it less ideal than aerobic respiration for sustained energy production.<\/p>\n","protected":false},"excerpt":{"rendered":" What is the disadvantage of glycolysis? The correct answer and explanation is : Disadvantage of Glycolysis One major disadvantage of glycolysis is that it is inefficient in energy production compared to aerobic respiration. Glycolysis produces only 2 ATP molecules per glucose molecule, whereas aerobic respiration can generate up to 38 ATP molecules per glucose. Explanation […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-204356","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=204356"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204356\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=204356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=204356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=204356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Disadvantage of Glycolysis<\/strong><\/h3>\n\n\n\n
Explanation (300 words)<\/strong><\/h3>\n\n\n\n