{"id":196111,"date":"2025-03-02T19:58:06","date_gmt":"2025-03-02T19:58:06","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=196111"},"modified":"2025-03-02T19:58:09","modified_gmt":"2025-03-02T19:58:09","slug":"shown-below-is-the-structural-formula-for-amino-acid-alanine","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/02\/shown-below-is-the-structural-formula-for-amino-acid-alanine\/","title":{"rendered":"Shown Below Is The Structural Formula For Amino Acid Alanine"},"content":{"rendered":"\n

Shown Below Is The Structural Formula For Amino Acid Alanine. Complete The Lewis Structure By Drawing The Non-Bonding Electrons, And Answer The Next 2 Questions Based On This Information.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Alanine, an \u03b1-amino acid, is fundamental in protein synthesis and metabolism. Its structural formula is C\u2083H\u2087NO\u2082, comprising three carbon atoms, seven hydrogen atoms, one nitrogen atom, and two oxygen atoms.\ue206<\/p>\n\n\n\n

Lewis Structure of Alanine:<\/strong><\/p>\n\n\n\n

To construct the Lewis structure of alanine, follow these steps:\ue206<\/p>\n\n\n\n

    \n
  1. Identify Valence Electrons:<\/strong><\/li>\n<\/ol>\n\n\n\n
      \n
    • Carbon (C): 4 valence electrons each \u00d7 3 atoms = 12 electrons\ue206<\/li>\n\n\n\n
    • Hydrogen (H): 1 valence electron each \u00d7 7 atoms = 7 electrons\ue206<\/li>\n\n\n\n
    • Nitrogen (N): 5 valence electrons\ue206<\/li>\n\n\n\n
    • Oxygen (O): 6 valence electrons each \u00d7 2 atoms = 12 electrons\ue206<\/li>\n\n\n\n
    • Total Valence Electrons:<\/strong> 12 (C) + 7 (H) + 5 (N) + 12 (O) = 36 electrons\ue206<\/li>\n<\/ul>\n\n\n\n
        \n
      1. Arrange the Atoms:<\/strong><\/li>\n<\/ol>\n\n\n\n
          \n
        • Place the nitrogen (N) atom at the center, bonded to a hydrogen (H) atom.\ue206<\/li>\n\n\n\n
        • Attach the central carbon (C) atom to the nitrogen, forming an amide group (\u2013NH\u2082).\ue206<\/li>\n\n\n\n
        • Connect the central carbon to a carboxyl group (\u2013COOH) and a methyl group (\u2013CH\u2083).\ue206<\/li>\n<\/ul>\n\n\n\n
            \n
          1. Distribute Electrons:<\/strong><\/li>\n<\/ol>\n\n\n\n
              \n
            • Form single bonds between atoms, using two electrons per bond.\ue206<\/li>\n\n\n\n
            • Allocate remaining electrons to complete the octet for each atom, ensuring nitrogen has two lone pairs, and oxygen atoms have three lone pairs each.\ue206<\/li>\n<\/ul>\n\n\n\n

              Explanation:<\/strong><\/p>\n\n\n\n

              Alanine’s structure consists of a central \u03b1-carbon bonded to:\ue206<\/p>\n\n\n\n

                \n
              • Amino Group (\u2013NH\u2082):<\/strong> This group imparts basic properties to alanine.\ue206<\/li>\n\n\n\n
              • Carboxyl Group (\u2013COOH):<\/strong> This group provides acidic characteristics.\ue206<\/li>\n\n\n\n
              • Methyl Side Chain (\u2013CH\u2083):<\/strong> This nonpolar side chain classifies alanine as a non-essential, aliphatic amino acid.\ue206<\/li>\n<\/ul>\n\n\n\n

                Under physiological conditions, alanine exists as a zwitterion, where the amino group is protonated (\u2013NH\u2083\u207a), and the carboxyl group is deprotonated (\u2013COO\u207b), resulting in a net neutral molecule with internal charge separation. <\/p>\n\n\n\n

                This zwitterionic form enhances alanine’s solubility in water and influences its role in protein structures and functions.<\/p>\n","protected":false},"excerpt":{"rendered":"

                Shown Below Is The Structural Formula For Amino Acid Alanine. Complete The Lewis Structure By Drawing The Non-Bonding Electrons, And Answer The Next 2 Questions Based On This Information. The Correct Answer and Explanation is : Alanine, an \u03b1-amino acid, is fundamental in protein synthesis and metabolism. Its structural formula is C\u2083H\u2087NO\u2082, comprising three carbon […]<\/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-196111","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/196111","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=196111"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/196111\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=196111"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=196111"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=196111"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}