[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-208089-en":3,"doc-seo-208089-105":29,"detail-sidebar-cat-0-en-105":89},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":4,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":11,"language":21,"language_code":22,"site_id":23,"html_lang":22,"table_of_contents":24,"faqs":25,"seo_title":26,"seo_description":14,"update_tm":27,"read_time":28},208089,137451211410,"\tCallum ","https://ap-avatar.wpscdn.com/avatar/2000bb0a9246f588df?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786362646172706240",4,"Exam","B1 - Cell structure and transport","B1 cell structure and transport organizes core biology knowledge for eukaryotic and prokaryotic cells, highlighting the nucleus, DNA arrangement, plasmids, and key sub-cellular structures such as cytoplasm, ribosomes, mitochondria, chloroplasts, and permanent vacuoles. It also explains cell membranes and cell walls, and how multicellular organisms form specialized cells, tissues, organs, and organ systems. Microscopy content covers magnification, resolution, electron microscopes, and key measurement units (cm, mm, µm, nm).","Biology Knowledge Organiser B1-Cell structure and transport  \nEukaryotic Cells  \nEukaryotic cells include all plant and animal cells. Their most important feature is that they have a nucleus, unlike prokaryotic cells.  \nPermanent vacuole  \n\n| Prokaryotic Cells\u003Cbr>Bacteria are prokaryotic cells (all bacteria are single-celled organisms) . The most important differences to eukaryotic cells are that they are smaller and their genetic material (DNA) is not enclosed in a nucleus.\u003Cbr>Prokaryotic cells have DNA in a loop, and, in addition to the main loop of DNA, they have small loops of DNA called plasmids.\u003Cbr>Plasmids allow bacteria to swap genetic information between them. | Cell membrane |\n| --- | --- |\n|  | \u003Cbr>\u003Cbr>Cell wall\u003Cbr>Cytoplasm\u003Cbr>DNA\u003Cbr>Plasmid\u003Cbr>Ribosome\u003Cbr>Flagellum (tail) |\n\n\n| Key Terms | Definitions |\n| --- | --- |\n| Cell | The basic unit of all forms of life. |\n| Eukaryotic Cells | Cells with a genetic material enclosed in a nucleus – e.g. plant and animal cells. |\n| Prokaryotic Cells | Bacterial cells; these don’t have a nucleus to enclose their genetic material. |\n| Cell\u003Cbr>Membrane | The border of all types of cell. The cell membrane separates the inside of the cell from the environment. It controls the movement of substances into and out of the cell. |\n| Sub-cellular structure | A part of a cell. (Sub-means less than – so these are the component parts of cells. ) Also known as organelles. |\n| Nucleus | The enclosure for genetic material found in plant and animal cells. It controls the activities of the cell. |\n| Cytoplasm | The interior of a cell, where most of the chemical reactions needed for life take place. |\n| Mitochondria | The sub-cellular structure where aerobic respiration takes place. |\n| Ribosome | The sub-cellular structure where proteins are made (synthesised) |\n| Chloroplast | A sub-cellular structure responsible for photosynthesis – only found in plant cells and algal cells. |\n| Permanent Vacuole | A sub-cellular structure only found in plant and algal cells – it is filled with cell sap (a store of nutrients for the cell) . |\n| Cell Wall | A sub-cellular structure that is never found in animal cells. It is made of cellulose, it is outside the cell membrane and it strengthens the cell. |\n| DNA | The molecule that holds the genetic information in a cell. In eukaryotic cells, it is one linear strand. In prokaryotic cells, the DNA forms a loop. |\n| Plasmid | A small loop of extra DNA, only found in prokaryotic cells. |\n\nBiology Knowledge Organiser B1-Cell structure and transport  \nMulticellular Organisms  \nYou are a multicellular organism, just like all animals, plants and many types of fungus. But, not all your cells are the same. Cells become specialised by differentiation, which means they develop new features to help them perform a specific function. E.g. sperm cells and root hair cells.  \nTissues are formed when cells with similar structures and functions work together. For example: muscle tissue in animals; phloem tissue in plants.  \nOrgans are formed from multiple tissues working together. For example: the stomach in animals; the leaf in plants.  \nOrgan systems are formed when multiple organs work together. For example: the digestive system in animals; the vascular (transport) system in plants.  \nMicroscopy  \nUse of a microscope is called microscopy. Microscopes allowed scientists to discover cells and find all the sub-cellular structures.  \nBecause cells and their parts are very small, it is not useful to measure them in metres. Instead, we use small divisions of the metre as follows:  \nCentimetre = 1/100 metre (10-2) . A centimetre is 1 one hundredth of a metre. (cm)  \nMillimetre = 1/1000 metre (10-3) . A millimetre is 1 one thousandth of a metre. (mm)  \nMicrometre = 1/1 000 000 (10-6) . A micrometre is 1 one millionth of a metre. (µm)  \nNanometre = 1/1 000 000 000 (10-9) A nanometre is 1 one billionth of a metre. (nm)  \nElectron microscopes were a vital invention for understanding cells","cbCain7rLl9rPAkA","https://ap.wps.com/l/cbCain7rLl9rPAkA","pdf",879861,1,"English","en",105,"# Eukaryotic and prokaryotic cells\n## Key terms and definitions\n# Multicellular organisms\n## Differentiation, tissues, organs, and organ systems\n# Microscopy\n## Measuring cells and microscope concepts\n# Key sub-cellular structures\n## Functions of organelles\n# Diffusion and factors affecting rate","[{\"question\":\"What is the main difference between eukaryotic and prokaryotic cells?\",\"answer\":\"Eukaryotic cells have a nucleus enclosing their genetic material, unlike prokaryotic cells. Prokaryotic DNA is not enclosed in a nucleus.\"},{\"question\":\"What roles do mitochondria and chloroplasts play?\",\"answer\":\"Mitochondria are where aerobic respiration takes place. Chloroplasts are responsible for photosynthesis and are found in plant and algal cells.\"},{\"question\":\"How do magnification and resolution differ in microscopy?\",\"answer\":\"Magnification measures how much a microscope enlarges the viewed object. Resolution measures the level of detail the microscope can show.\"}]","B1 - Cell structure and transport | PDF",1788602415,10,{"code":4,"msg":30,"data":31},"ok",{"site_id":23,"language":22,"slug":32,"title":13,"keywords":33,"description":14,"schema_data":34,"social_meta":84,"head_meta":86,"extra_data":88,"updated_unix":27},"b1-cell-structure-and-transport","",{"@graph":35,"@context":83},[36,52,66],{"@type":37,"itemListElement":38},"BreadcrumbList",[39,43,47,50],{"item":40,"name":41,"@type":42,"position":20},"https://docshare.wps.com","Home","ListItem",{"item":44,"name":45,"@type":42,"position":46},"https://docshare.wps.com/document/","Document",2,{"item":48,"name":12,"@type":42,"position":49},"https://docshare.wps.com/document/exam/",3,{"item":51,"name":13,"@type":42,"position":11},"https://docshare.wps.com/document/b1-cell-structure-and-transport/208089/",{"url":51,"name":13,"@type":53,"author":54,"headline":13,"publisher":56,"fileFormat":59,"inLanguage":22,"description":14,"dateModified":60,"datePublished":60,"encodingFormat":59,"isAccessibleForFree":61,"interactionStatistic":62},"DigitalDocument",{"name":9,"@type":55},"Person",{"url":40,"name":57,"@type":58},"DocShare","Organization","application/pdf","2026-09-05",true,{"@type":63,"interactionType":64,"userInteractionCount":4},"InteractionCounter",{"@type":65},"ViewAction",{"@type":67,"mainEntity":68},"FAQPage",[69,75,79],{"name":70,"@type":71,"acceptedAnswer":72},"What is the main difference between eukaryotic and prokaryotic cells?","Question",{"text":73,"@type":74},"Eukaryotic cells have a nucleus enclosing their genetic material, unlike prokaryotic cells. Prokaryotic DNA is not enclosed in a nucleus.","Answer",{"name":76,"@type":71,"acceptedAnswer":77},"What roles do mitochondria and chloroplasts play?",{"text":78,"@type":74},"Mitochondria are where aerobic respiration takes place. Chloroplasts are responsible for photosynthesis and are found in plant and algal cells.",{"name":80,"@type":71,"acceptedAnswer":81},"How do magnification and resolution differ in microscopy?",{"text":82,"@type":74},"Magnification measures how much a microscope enlarges the viewed object. 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