{"id":3909,"date":"2023-01-09T10:36:40","date_gmt":"2023-01-09T10:36:40","guid":{"rendered":"https:\/\/8thclass.deltapublications.in\/?page_id=3909"},"modified":"2025-09-22T06:16:32","modified_gmt":"2025-09-22T06:16:32","slug":"s-8-d-cell-structure-and-function","status":"publish","type":"page","link":"https:\/\/8thclass.deltapublications.in\/index.php\/s-8-d-cell-structure-and-function\/","title":{"rendered":"s-8.d Cell Structure And Function"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Cell Structure And Function<\/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\/DAF9ldXHu74\/guHTJXd-QDDI0is_PB9ryQ\/watch?embed\" allowfullscreen=\"allowfullscreen\" allow=\"fullscreen\">\n  <\/iframe>\n<\/div>\n<a href=\"https:&#x2F;&#x2F;www.canva.com&#x2F;design&#x2F;DAF9ldXHu74&#x2F;guHTJXd-QDDI0is_PB9ryQ&#x2F;watch?utm_content=DAF9ldXHu74&amp;utm_campaign=designshare&amp;utm_medium=embeds&amp;utm_source=link\" target=\"_blank\" rel=\"noopener\">cell structure and functions<\/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\n<p class=\"has-text-color has-link-color has-large-font-size wp-elements-94c0c0ea373cb8741edc5ce510893c62\" style=\"color:#000060\"><strong>Introduction to Cells<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Definition<\/strong>: Cells are the basic building blocks of all living organisms.<\/li>\n\n\n\n<li>All living things are made up of cells, and they perform essential functions to sustain life.<\/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-ba26b57793c7d654a688c2f5088dd15d\" 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 nucleus (e.g., bacteria).<\/li>\n\n\n\n<li><strong>Eukaryotic Cells<\/strong>: More complex cells with a nucleus and membrane-bound 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-8401e26b9c12f84109cb69b91a6db7ec\" style=\"color:#000060\"><strong>Parts of the Cell<\/strong>:<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"999\" height=\"730\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-12.png\" alt=\"\" class=\"wp-image-19506\" style=\"width:597px;height:auto\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-12.png 999w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-12-300x219.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/image-12-768x561.png 768w\" sizes=\"auto, (max-width: 999px) 100vw, 999px\" \/><\/figure>\n\n\n\n<p class=\"has-large-font-size\"><strong>Cell Membrane<\/strong>: Protects and supports the cell, regulates what enters and leaves the cell (selectively permeable).<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Nucleus<\/strong>: The control center of the cell; contains genetic material (DNA).<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Cytoplasm<\/strong>: Gel-like substance where cell activities occur and where organelles are located.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Mitochondria<\/strong>: The powerhouse of the cell; produces energy (ATP) through cellular respiration.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Ribosomes<\/strong>: Small structures where protein synthesis occurs.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Endoplasmic Reticulum (ER)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Rough ER<\/strong>: Studded with ribosomes; involved in protein synthesis.<\/li>\n\n\n\n<li><strong>Smooth ER<\/strong>: No ribosomes; involved in lipid synthesis and detoxification.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-large-font-size\"><strong>Golgi Apparatus<\/strong>: Packages and transports proteins and lipids within or outside the cell.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Lysosomes<\/strong>: Contain digestive enzymes that break down waste materials and cellular debris.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Vacuoles<\/strong>: Storage organelles; store nutrients, waste products, or help in maintaining turgor pressure in plant cells.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Chloroplasts<\/strong> (in plant cells): Contain chlorophyll and conduct photosynthesis, converting sunlight into food energy.<\/p>\n\n\n\n<p class=\"has-large-font-size\"><strong>Cell Wall<\/strong> (in plant cells): Provides structural support and protection, made of cellulose.<\/p>\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-97b2b66dbad354d8ca61243eec611372\" style=\"color:#000060\"><strong>Cell Function<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Energy Production<\/strong>: Mitochondria break down glucose to produce energy (ATP) for cell functions.<\/li>\n\n\n\n<li><strong>Protein Synthesis<\/strong>: Ribosomes create proteins by reading RNA instructions.<\/li>\n\n\n\n<li><strong>Transport<\/strong>: The endoplasmic reticulum and Golgi apparatus help transport proteins and lipids.<\/li>\n\n\n\n<li><strong>Waste Removal<\/strong>: Lysosomes break down waste and foreign material.<\/li>\n\n\n\n<li><strong>Reproduction<\/strong>: Cells reproduce through processes like mitosis (for growth) and meiosis (for sexual reproduction).<\/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-a4a1af9043d12ca05cd1658dd0128612\" style=\"color:#000060\"><strong>Difference 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 <strong>cell wall<\/strong>, <strong>chloroplasts<\/strong> for photosynthesis, and a large central <strong>vacuole<\/strong>.<\/li>\n\n\n\n<li><strong>Animal Cells<\/strong> lack a cell wall, 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-708e576f3473ee853f7e5fa11bbc82de\" style=\"color:#000060\"><strong>Cell Division<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Mitosis<\/strong>: Process by which eukaryotic cells divide to produce two genetically identical daughter cells for growth or repair.<\/li>\n\n\n\n<li><strong>Meiosis<\/strong>: Cell division that reduces the chromosome number by half, creating gametes (sperm and eggs) for reproduction.<\/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-42e322e275e5fa548facd663b89f2d31\" style=\"color:#000060\"><strong>Importance of Cells<\/strong>:<\/h3>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Understanding cell structure and function helps in studying diseases, medicine, and biotechnology.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-large-font-size\">Cells are essential for life; they perform all vital functions, including energy production, reproduction, and responding to the environment.<\/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\/81652\/905\/260\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-87.png\" alt=\"\" class=\"wp-image-7733\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-87.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-87-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-2-87-150x150.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\/766\/917\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-86.png\" alt=\"\" class=\"wp-image-7734\" srcset=\"https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-86.png 500w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-86-300x300.png 300w, https:\/\/8thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-1-86-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cell Structure And Function cell structure and functions by Delta publications key notes: Introduction to Cells: Types of Cells: Parts of the Cell: Cell Membrane: Protects and supports the cell, regulates what enters and leaves the cell (selectively permeable). Nucleus: The control center of the cell; contains genetic material (DNA). Cytoplasm: Gel-like substance where cell<a class=\"more-link\" href=\"https:\/\/8thclass.deltapublications.in\/index.php\/s-8-d-cell-structure-and-function\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-8.d Cell Structure And Function&#8221;<\/span><\/a><\/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-3909","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\/3909","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=3909"}],"version-history":[{"count":15,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3909\/revisions"}],"predecessor-version":[{"id":21539,"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3909\/revisions\/21539"}],"wp:attachment":[{"href":"https:\/\/8thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}