{"id":187340,"date":"2025-02-04T06:51:54","date_gmt":"2025-02-04T06:51:54","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=187340"},"modified":"2025-02-04T06:51:56","modified_gmt":"2025-02-04T06:51:56","slug":"how-many-molecules-of-water-are-released-during-the-polymerization-of-a-20-monomer-long-cellulose-molecule","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/04\/how-many-molecules-of-water-are-released-during-the-polymerization-of-a-20-monomer-long-cellulose-molecule\/","title":{"rendered":"How many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule"},"content":{"rendered":"\n<p>22) How many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule? <\/p>\n\n\n\n<p>A) 10 <\/p>\n\n\n\n<p>B) 19 <\/p>\n\n\n\n<p>C) 20 <\/p>\n\n\n\n<p>D) 40<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Answer: <strong>B) 19<\/strong><\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Cellulose is a polysaccharide composed of \u03b2-glucose monomers linked together by <strong>\u03b2-1,4-glycosidic bonds<\/strong>. The polymerization of cellulose occurs through a <strong>condensation reaction (dehydration synthesis)<\/strong>, where each monomer is joined to another via the removal of a water (H\u2082O) molecule.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Understanding Polymerization and Water Release:<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Number of Monomers and Bonds:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>20-monomer<\/strong>-long cellulose molecule consists of <strong>20 glucose units<\/strong>.<\/li>\n\n\n\n<li>These monomers must be linked together via <strong>glycosidic bonds<\/strong>.<\/li>\n\n\n\n<li>The number of glycosidic bonds required to connect <strong>n<\/strong> monomers in a straight chain is always <strong>(n &#8211; 1)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Water Molecule Release Calculation:<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Each glycosidic bond formation results in the <strong>release of one water molecule<\/strong>.<\/li>\n\n\n\n<li>Since a 20-monomer cellulose chain has <strong>19 glycosidic bonds<\/strong> (<strong>one less than the number of monomers<\/strong>), it will release <strong>19 water molecules<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Common Misconceptions:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Some might think <strong>20 monomers release 20 water molecules<\/strong>, but this is incorrect because the first monomer does not require a bond to another glucose unit.<\/li>\n\n\n\n<li>The answer is <strong>not 40<\/strong>, because each linkage releases <strong>one<\/strong> water molecule, not two.<\/li>\n\n\n\n<li>The answer is <strong>not 10<\/strong>, because the dehydration process occurs for every linkage, and we have 19 linkages.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct answer is <strong>B) 19<\/strong>, as <strong>19 water molecules are released when 20 glucose monomers polymerize to form cellulose<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>22) How many molecules of water are released during the polymerization of a 20 monomer-long cellulose molecule? A) 10 B) 19 C) 20 D) 40 The Correct Answer and Explanation is : Correct Answer: B) 19 Explanation: Cellulose is a polysaccharide composed of \u03b2-glucose monomers linked together by \u03b2-1,4-glycosidic bonds. The polymerization of cellulose occurs [&hellip;]<\/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-187340","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187340","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=187340"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/187340\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=187340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=187340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=187340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}