{"id":133814,"date":"2024-08-24T20:26:23","date_gmt":"2024-08-24T20:26:23","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=133814"},"modified":"2024-08-24T20:26:25","modified_gmt":"2024-08-24T20:26:25","slug":"which-of-the-following-ions-binds-to-the-troponin-complex-initiating-contraction-of-a-muscle","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/08\/24\/which-of-the-following-ions-binds-to-the-troponin-complex-initiating-contraction-of-a-muscle\/","title":{"rendered":"Which of the following ions binds to the troponin complex, initiating contraction of a muscle?"},"content":{"rendered":"\n<p>Which of the following ions binds to the troponin complex, initiating contraction of a muscle?<\/p>\n\n\n\n<p>A.<br>Potassium.<\/p>\n\n\n\n<p>B.<br>Calcium.<\/p>\n\n\n\n<p>C.<br>Phosphorus.<\/p>\n\n\n\n<p>D.<br>Sodium<\/p>\n\n\n\n<p>The ion that binds to the troponin complex, initiating muscle contraction, is:<\/p>\n\n\n\n<p><strong>B. Calcium<\/strong><\/p>\n\n\n\n<p><strong>Explanation:<\/strong> In muscle contraction, calcium ions (Ca\u00b2\u207a) bind to the troponin complex on the actin filaments. This binding causes a conformational change in the troponin-tropomyosin complex, which exposes the binding sites on actin for myosin, leading to muscle contraction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following ions binds to the troponin complex, initiating contraction of a muscle? A.Potassium. B.Calcium. C.Phosphorus. D.Sodium The ion that binds to the troponin complex, initiating muscle contraction, is: B. Calcium Explanation: In muscle contraction, calcium ions (Ca\u00b2\u207a) bind to the troponin complex on the actin filaments. This binding causes a conformational change [&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-133814","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/133814","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=133814"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/133814\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=133814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=133814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=133814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}