{"id":178756,"date":"2024-12-28T11:04:19","date_gmt":"2024-12-28T11:04:19","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=178756"},"modified":"2024-12-28T11:04:21","modified_gmt":"2024-12-28T11:04:21","slug":"which-of-these-is-a-source-of-lactose","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/12\/28\/which-of-these-is-a-source-of-lactose\/","title":{"rendered":"Which of these is a source of lactose"},"content":{"rendered":"\n<p>Which of these is a source of lactose?<br>A) potatoes<br>B) milk<br>C) sugar cane<br>D)sugar beets<br>E) starch<\/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>B) milk<\/strong>.<\/p>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<p>Lactose is a disaccharide sugar composed of glucose and galactose. It is primarily found in the milk of mammals, including humans, and constitutes about 2\u20138% of milk by weight.<\/p>\n\n\n\n<p>The other options listed do not contain lactose:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A) Potatoes<\/strong>: These are rich in starch, a complex carbohydrate, but do not contain lactose.<\/li>\n\n\n\n<li><strong>C) Sugar cane<\/strong>: This plant is a source of sucrose, commonly known as table sugar, not lactose.<\/li>\n\n\n\n<li><strong>D) Sugar beets<\/strong>: Similar to sugar cane, sugar beets are rich in sucrose and do not contain lactose.<\/li>\n\n\n\n<li><strong>E) Starch<\/strong>: Starch is a polysaccharide made up of glucose units and does not contain lactose.<\/li>\n<\/ul>\n\n\n\n<p>Lactose is unique among sugars because it is the only sugar that cannot be extracted from plants; it is exclusively found in milk and dairy products.<\/p>\n\n\n\n<p>In the human body, the enzyme lactase breaks down lactose into its constituent sugars, glucose and galactose, which can then be absorbed into the bloodstream. Some individuals have a reduced ability to produce lactase, leading to lactose intolerance, a condition where the body cannot properly digest lactose, resulting in gastrointestinal symptoms.<\/p>\n\n\n\n<p>Understanding the sources of lactose is important, especially for individuals with lactose intolerance, as it helps in managing dietary choices to avoid discomfort.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Which of these is a source of lactose?A) potatoesB) milkC) sugar caneD)sugar beetsE) starch The Correct Answer and Explanation is : The correct answer is B) milk. Explanation: Lactose is a disaccharide sugar composed of glucose and galactose. It is primarily found in the milk of mammals, including humans, and constitutes about 2\u20138% of milk [&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-178756","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/178756","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=178756"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/178756\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=178756"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=178756"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=178756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}