Which of the following structures is present in both prokaryotic and eukaryotic cells?<\/p>\n\n\n\n
A.
Chloroplast<\/p>\n\n\n\n
B.
Golgi apparatus<\/p>\n\n\n\n
C.
Endoplasmic reticulum<\/p>\n\n\n\n
D.
Cell membrane<\/p>\n\n\n\n
The correct answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n The correct answer is:<\/p>\n\n\n\n D. Cell membrane<\/strong><\/p>\n\n\n\n The cell membrane, also known as the plasma membrane, is a fundamental structure present in both prokaryotic and eukaryotic cells. This universal component serves as a crucial boundary that separates the interior of the cell from its external environment. It is composed of a phospholipid bilayer embedded with proteins, which helps regulate the movement of substances into and out of the cell.<\/p>\n\n\n\n Prokaryotic cells, which include bacteria and archaea, lack a membrane-bound nucleus and other membrane-bound organelles. Despite their simpler structure, prokaryotic cells still possess a cell membrane. In these cells, the cell membrane plays essential roles in maintaining cell shape, facilitating communication with other cells, and controlling the transport of nutrients, ions, and waste products. The fluid mosaic model describes the structure of the prokaryotic cell membrane, which consists of a flexible bilayer of phospholipids with various proteins embedded or associated with it.<\/p>\n\n\n\n Eukaryotic cells, which include plant, animal, fungal, and protist cells, have a more complex internal organization, featuring a nucleus and various membrane-bound organelles like the mitochondria, endoplasmic reticulum, and Golgi apparatus. Despite this complexity, eukaryotic cells also have a cell membrane. In eukaryotes, the cell membrane still functions to protect the cell, facilitate communication, and control the movement of substances. Additionally, in eukaryotic cells, the cell membrane may have specialized structures such as receptors and channels that are involved in more complex signaling and transport mechanisms.<\/p>\n\n\n\n Overall, the cell membrane is an essential structure for all cells, regardless of their complexity. Its role in maintaining homeostasis, allowing communication, and regulating the movement of materials is vital for the survival and function of both prokaryotic and eukaryotic cells.<\/p>\n","protected":false},"excerpt":{"rendered":" Which of the following structures is present in both prokaryotic and eukaryotic cells? A.Chloroplast B.Golgi apparatus C.Endoplasmic reticulum D.Cell membrane The correct answer and Explanation is : The correct answer is: D. Cell membrane Explanation: The cell membrane, also known as the plasma membrane, is a fundamental structure present in both prokaryotic and eukaryotic cells. […]<\/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-136726","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/136726","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=136726"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/136726\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=136726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=136726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=136726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Explanation:<\/h3>\n\n\n\n
Prokaryotic Cells:<\/h4>\n\n\n\n
Eukaryotic Cells:<\/h4>\n\n\n\n