Most lipids contain long chains of which two atoms? responses A. carbon and oxygen B. water and phosphorus C. water and carbon D. carbon and hydrogen<\/p>\n\n\n\n
The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n The correct answer is D. carbon and hydrogen<\/strong>.<\/p>\n\n\n\n Lipids are a diverse group of organic molecules that are characterized by their hydrophobic nature, meaning they do not dissolve well in water. They are primarily composed of long chains of carbon (C) and hydrogen (H) atoms, which make up their fatty acid components.<\/p>\n\n\n\n The structure of most lipids, especially fats and oils, includes long chains of carbon atoms bonded to hydrogen atoms. These carbon chains can vary in length and can be either saturated (with no double bonds between carbon atoms) or unsaturated (with one or more double bonds). The carbon atoms form the backbone of the molecule, and the hydrogen atoms are bonded to the carbons. This long chain of carbon and hydrogen atoms gives lipids their characteristic non-polar nature, which contributes to their insolubility in water.<\/p>\n\n\n\n Fatty acids, the building blocks of many lipids, consist of a carboxyl group (\u2013COOH) at one end and a long hydrocarbon chain made up of carbon and hydrogen atoms at the other end. The hydrophobic (water-repelling) hydrocarbon chain is what makes lipids useful in biological systems, such as forming the lipid bilayer of cell membranes, which helps control the movement of substances in and out of cells.<\/p>\n\n\n\n In addition to fats and oils, lipids include phospholipids, which contain a phosphate group along with carbon and hydrogen atoms. However, the primary atoms in lipids are still carbon and hydrogen, making D. carbon and hydrogen<\/strong> the correct answer.<\/p>\n\n\n\n While oxygen is also present in some lipids, it is typically part of functional groups like the carboxyl group in fatty acids or ester bonds in triglycerides, rather than forming the backbone structure of the molecule. Therefore, the correct pairing of atoms for most lipids is carbon and hydrogen.<\/p>\n","protected":false},"excerpt":{"rendered":" Most lipids contain long chains of which two atoms? responses A. carbon and oxygen B. water and phosphorus C. water and carbon D. carbon and hydrogen The Correct Answer and Explanation is : The correct answer is D. carbon and hydrogen. Lipids are a diverse group of organic molecules that are characterized by their hydrophobic […]<\/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-167660","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/167660","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=167660"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/167660\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=167660"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=167660"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=167660"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}