{"id":3905,"date":"2023-01-09T10:36:18","date_gmt":"2023-01-09T10:36:18","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3905"},"modified":"2025-09-22T06:04:09","modified_gmt":"2025-09-22T06:04:09","slug":"s-8-b-the-cell","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-8-b-the-cell\/","title":{"rendered":"s-8.b The Cell"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"><strong>The Cell<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div style=\"position: relative; width: 100%; height: 0; padding-top: 56.2500%;\n padding-bottom: 0; box-shadow: 0 2px 8px 0 rgba(63,69,81,0.16); margin-top: 1.6em; margin-bottom: 0.9em; overflow: hidden;\n border-radius: 8px; will-change: transform;\">\n  <iframe loading=\"lazy\" style=\"position: absolute; width: 100%; height: 100%; top: 0; left: 0; border: none; padding: 0;margin: 0;\"\n    src=\"https:\/\/www.canva.com\/design\/DAF5NaGkv7s\/CgrVd2QdcLwtjBCJmD0vmA\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF5NaGkv7s&#x2F;CgrVd2QdcLwtjBCJmD0vmA&#x2F;watch?utm_content=DAF5NaGkv7s&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">the cell<\/a> by Delta publications\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-c94a149b099fb3f23f355c7448aa9d47\" style=\"color:#74008b\"><strong>key notes:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1313\" height=\"1313\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px.png\" alt=\"\" class=\"wp-image-17431\" style=\"width:446px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px.png 1313w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px-1024x1024.png 1024w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px-150x150.png 150w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px-768x768.png 768w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/09\/counting-numbers-with-hands-500-x-500-px-400x400.png 400w\" sizes=\"auto, (max-width: 1313px) 100vw, 1313px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-732db37fbff2bb549dd84a037d344347\" style=\"color:#000060\"><strong>Definition of a Cell:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The cell is the basic structural, functional, and biological unit of all living organisms.<\/li>\n\n\n\n<li>Cells are often called the &#8220;building blocks of life.&#8221;<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-49a79022f1f3f7c4afabed07157f50ff\" style=\"color:#000060\"><strong>Types of Cells:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Prokaryotic Cells<\/strong>: Simple cells without a defined nucleus (e.g., bacteria).<\/li>\n\n\n\n<li><strong>Eukaryotic Cells<\/strong>: Complex cells with a nucleus and organelles (e.g., plant and animal cells).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-cc551a6e5ba77b89c0ae13bec07202f7\" style=\"color:#000060\"><strong>Cell Structure:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Cell Membrane<\/strong>: A protective outer layer that controls the movement of substances in and out of the cell.<\/li>\n\n\n\n<li><strong>Cytoplasm<\/strong>: A jelly-like substance inside the cell where organelles are located.<\/li>\n\n\n\n<li><strong>Nucleus<\/strong>: Contains genetic material (DNA) and controls cell activities.<\/li>\n\n\n\n<li><strong>Mitochondria<\/strong>: The &#8220;powerhouse&#8221; of the cell, producing energy through respiration.<\/li>\n\n\n\n<li><strong>Endoplasmic Reticulum (ER)<\/strong>: A network of membranes involved in protein and lipid synthesis. It can be rough (with ribosomes) or smooth.<\/li>\n\n\n\n<li><strong>Golgi Apparatus<\/strong>: Modifies, sorts, and packages proteins for secretion or use within the cell.<\/li>\n\n\n\n<li><strong>Lysosomes<\/strong>: Contains digestive enzymes that break down waste materials.<\/li>\n\n\n\n<li><strong>Vacuoles<\/strong>: Storage sacs for nutrients, water, and waste (larger in plant cells).<\/li>\n\n\n\n<li><strong>Chloroplasts<\/strong> (in plant cells): Site of photosynthesis, containing chlorophyll.<\/li>\n\n\n\n<li><strong>Cell Wall<\/strong> (in plant cells): A rigid layer providing structure and protection.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-73eac3802dace7758dae921366a40f48\" style=\"color:#000060\"><strong>Cell Theory:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>All living organisms are made of cells.<\/li>\n\n\n\n<li>The cell is the most basic unit of life.<\/li>\n\n\n\n<li>All cells come from pre-existing cells through cell division.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-4b21b36199f99f78a772d5f227d414f1\" style=\"color:#000060\"><strong>Cell Functions:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Energy Production<\/strong>: Cells produce energy through respiration and photosynthesis (in plant cells).<\/li>\n\n\n\n<li><strong>Growth and Repair<\/strong>: Cells divide and grow to repair damaged tissues and support growth.<\/li>\n\n\n\n<li><strong>Reproduction<\/strong>: Cells replicate through processes like mitosis and meiosis.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-ec8ad106afb2caf4134a17fa2cd54607\" style=\"color:#000060\"><strong>Differences Between Plant and Animal Cells:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Plant Cells<\/strong>: Have a cell wall, chloroplasts, and larger vacuoles.<\/li>\n\n\n\n<li><strong>Animal Cells<\/strong>: Lack a cell wall and chloroplasts, and have smaller vacuoles.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-50ee8cc91b34a7e42a7c3285e0098bdc\" style=\"color:#000060\"><strong>Specialized Cells:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Cells in multicellular organisms are specialized to perform specific functions (e.g., nerve cells, blood cells, muscle cells).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-text-color has-link-color has-large-font-size wp-elements-38cc51dc29233ceceac51392f5b7a3b5\" style=\"color:#000060\"><strong>Microscopy:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Cells are studied using microscopes due to their small size.<\/li>\n\n\n\n<li><strong>Light Microscope<\/strong>: Commonly used to observe cell structure.<\/li>\n\n\n\n<li><strong>Electron Microscope<\/strong>: Provides detailed images of cell organelles.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81651\/477\/627\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-85.png\" alt=\"\" class=\"wp-image-7704\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-85.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-85-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-85-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81647\/606\/727\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-84.png\" alt=\"\" class=\"wp-image-7705\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-84.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-84-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-84-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The Cell the cell by Delta publications key notes: Definition of a Cell: Types of Cells: Cell Structure: Cell Theory: Cell Functions: Differences Between Plant and Animal Cells: Specialized Cells: Microscopy: Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3905","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_hostinger_reach_plugin_has_subscription_block":false,"_hostinger_reach_plugin_is_elementor":false,"_links":{"self":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3905"}],"version-history":[{"count":19,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3905\/revisions"}],"predecessor-version":[{"id":21536,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3905\/revisions\/21536"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}