Which of the following is\/are NOT amphipathic? Answers: A – E A Lipopolysaccharides B Glycerophospholipids C Triacylglycerols D Cholesterol E Sphingolipids<\/p>\n\n\n\n
The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n The correct answer is C: Triacylglycerols<\/strong>.<\/p>\n\n\n\n Amphipathic molecules<\/strong> are those that contain both hydrophilic (water-loving) and hydrophobic (water-fearing) regions. This property is crucial for the formation of biological membranes and the transport of lipids in aqueous environments.<\/p>\n\n\n\n Let’s go through each option:<\/p>\n\n\n\n In summary, triacylglycerols<\/strong> (C) are not amphipathic<\/strong>, as they lack a hydrophilic region, unlike the other molecules listed.<\/p>\n","protected":false},"excerpt":{"rendered":" Which of the following is\/are NOT amphipathic? Answers: A – E A Lipopolysaccharides B Glycerophospholipids C Triacylglycerols D Cholesterol E Sphingolipids The correct answer and explanation is: The correct answer is C: Triacylglycerols. Explanation: Amphipathic molecules are those that contain both hydrophilic (water-loving) and hydrophobic (water-fearing) regions. This property is crucial for the formation of […]<\/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-240410","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240410","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=240410"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/240410\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=240410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=240410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=240410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Explanation:<\/h3>\n\n\n\n
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Lipopolysaccharides (LPS) are amphipathic molecules. They consist of a hydrophobic lipid component and a hydrophilic polysaccharide component, making them capable of interacting with both water and lipid environments.<\/li>\n\n\n\n
Glycerophospholipids, such as phosphatidylcholine, are classic examples of amphipathic molecules. They have a hydrophilic phosphate head group and two hydrophobic fatty acid tails. This dual nature is essential for the formation of lipid bilayers in cell membranes.<\/li>\n\n\n\n
Triacylglycerols (also known as triglycerides) are not amphipathic<\/strong>. They consist of a glycerol backbone bound to three fatty acid chains, all of which are hydrophobic. This structure makes them non-polar and water-insoluble. They are primarily used for energy storage, not membrane structure.<\/li>\n\n\n\n
Cholesterol is amphipathic. It has a hydrophobic steroid ring structure and a small hydrophilic hydroxyl group (-OH) at one end. This enables cholesterol to fit into lipid bilayers, influencing membrane fluidity.<\/li>\n\n\n\n
Sphingolipids, like sphingomyelins, are also amphipathic. They have a hydrophobic tail (fatty acid) and a hydrophilic head group (often a phosphate group), making them key components of cell membranes.<\/li>\n<\/ol>\n\n\n\n