{"id":253792,"date":"2025-07-12T07:21:36","date_gmt":"2025-07-12T07:21:36","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=253792"},"modified":"2025-07-12T07:21:38","modified_gmt":"2025-07-12T07:21:38","slug":"which-of-the-following-levels-of-protein-structure-corresponds-to-the-formation-of-the-globular-protein-distinguished-by-the-hydrophobic-and-hydrophilic-properties-of-the-subunits","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/12\/which-of-the-following-levels-of-protein-structure-corresponds-to-the-formation-of-the-globular-protein-distinguished-by-the-hydrophobic-and-hydrophilic-properties-of-the-subunits\/","title":{"rendered":"Which of the following levels of protein structure corresponds to the formation of the globular protein distinguished by the hydrophobic and hydrophilic properties of the subunits"},"content":{"rendered":"\n<p>Which of the following levels of protein structure corresponds to the formation of the globular protein distinguished by the hydrophobic and hydrophilic properties of the subunits? <\/p>\n\n\n\n<p>A primary <\/p>\n\n\n\n<p>B secondary <\/p>\n\n\n\n<p>C tertiary <\/p>\n\n\n\n<p>D quaternary <\/p>\n\n\n\n<p>E None of the answers are correct<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The correct answer is <strong>C. Tertiary<\/strong>.<\/p>\n\n\n\n<p>Explanation:<\/p>\n\n\n\n<p>Proteins have four distinct levels of structure: primary, secondary, tertiary, and quaternary. The level of protein structure that corresponds to the formation of the globular protein with hydrophobic and hydrophilic properties of the subunits is <strong>tertiary structure<\/strong>.<\/p>\n\n\n\n<p>The <strong>tertiary structure<\/strong> refers to the overall 3D shape of a protein, formed by the folding of the polypeptide chain. This folding occurs due to interactions between the side chains (R-groups) of the amino acids that make up the protein. These interactions include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hydrophobic interactions<\/strong>: Nonpolar side chains tend to cluster in the interior of the protein, away from the surrounding water, because they are repelled by water molecules.<\/li>\n\n\n\n<li><strong>Hydrophilic interactions<\/strong>: Polar or charged side chains tend to be on the surface of the protein, where they interact with the aqueous environment.<\/li>\n<\/ul>\n\n\n\n<p>The specific folding pattern of the tertiary structure allows the protein to adopt a functional shape, which is essential for its biological activity. In globular proteins, which are typically soluble in water, this folding results in a compact, spherical shape, with hydrophobic amino acids buried inside and hydrophilic amino acids on the exterior, interacting with water.<\/p>\n\n\n\n<p>The <strong>primary structure<\/strong> refers to the linear sequence of amino acids, while the <strong>secondary structure<\/strong> involves the local folding of the polypeptide into structures such as alpha helices or beta sheets, primarily stabilized by hydrogen bonds. The <strong>quaternary structure<\/strong> describes the assembly of multiple polypeptide chains (subunits) into a functional protein, which is not the case here.<\/p>\n\n\n\n<p>Thus, the <strong>tertiary structure<\/strong> is the correct level where the hydrophobic and hydrophilic interactions contribute to the formation of a globular protein.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following levels of protein structure corresponds to the formation of the globular protein distinguished by the hydrophobic and hydrophilic properties of the subunits? A primary B secondary C tertiary D quaternary E None of the answers are correct The correct answer and explanation is: The correct answer is C. Tertiary. Explanation: Proteins [&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-253792","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253792","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=253792"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253792\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=253792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=253792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=253792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}