{"id":202709,"date":"2025-03-18T04:06:37","date_gmt":"2025-03-18T04:06:37","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=202709"},"modified":"2025-03-18T04:06:39","modified_gmt":"2025-03-18T04:06:39","slug":"a-red-blood-cell-with-a-solvent-concentration-of-99-1","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/18\/a-red-blood-cell-with-a-solvent-concentration-of-99-1\/","title":{"rendered":"A red blood cell with a solvent concentration of 99.1%"},"content":{"rendered":"\n<p>A red blood cell with a solvent concentration of 99.1% ?water and a solute concentration of 0.9%NaCl is placed in a beaker with a solvent concentration of 92% ?water and a solute concentration of 8%NaCl. The red blood cell will______<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Answer:<\/h3>\n\n\n\n<p>The red blood cell will <strong>shrink<\/strong> (undergo <em>crenation<\/em>).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>To determine what happens to the red blood cell, we need to analyze the relative concentrations of solute (<em>NaCl<\/em>) and solvent (<em>water<\/em>) inside and outside the cell.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 1: Understanding Tonicity<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The red blood cell has a solute concentration of <strong>0.9% NaCl<\/strong> and a solvent concentration of <strong>99.1% water<\/strong>.<\/li>\n\n\n\n<li>The surrounding solution (in the beaker) has a solute concentration of <strong>8% NaCl<\/strong> and a solvent concentration of <strong>92% water<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Since the external environment has a <strong>higher solute concentration (8% NaCl)<\/strong> compared to the red blood cell&#8217;s internal <strong>0.9% NaCl<\/strong>, the external solution is considered <strong>hypertonic<\/strong> to the cell.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 2: Osmosis and Water Movement<\/strong><\/h4>\n\n\n\n<p>Osmosis is the movement of water across a selectively permeable membrane from an area of <strong>higher water concentration to lower water concentration<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inside the cell: <strong>99.1% water<\/strong><\/li>\n\n\n\n<li>Outside the cell: <strong>92% water<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Because the water concentration is higher inside the cell than in the surrounding solution, water <strong>moves out of the cell<\/strong> into the hypertonic solution to balance the solute concentration.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 3: Effects on the Red Blood Cell<\/strong><\/h4>\n\n\n\n<p>As water leaves the red blood cell:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The cell <strong>loses water<\/strong>, decreasing in volume.<\/li>\n\n\n\n<li>The membrane wrinkles and shrinks, a process called <strong>crenation<\/strong>.<\/li>\n\n\n\n<li>The cell may become dysfunctional as its shape is distorted.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h4>\n\n\n\n<p>In a hypertonic solution (like the 8% NaCl solution in this case), a red blood cell will <strong>shrink (crenate)<\/strong> due to water loss. This can negatively impact its ability to transport oxygen efficiently.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A red blood cell with a solvent concentration of 99.1% ?water and a solute concentration of 0.9%NaCl is placed in a beaker with a solvent concentration of 92% ?water and a solute concentration of 8%NaCl. The red blood cell will______ The correct answer and explanation is : Answer: The red blood cell will shrink (undergo [&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-202709","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202709","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=202709"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202709\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=202709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=202709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=202709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}