Revision of Cells
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are the 7 life processes | 1 Movement2 Reproduction3 Sensitivity4 Nutrition5 Exceration6 Respiration7 Growth
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| Cell Division | When a cell splits in 2 the chromosones in the nucleus are copied and then pulled apart.Cell division can keep repeating
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| What 3 things do both animal cells and plant cells have? | Cell membrane,cytoplasm,nucleus
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| What 3 things does just a plant cell have? | chloroplast,vacuole,cell wall
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| What is the difference between an animal cell and a plant cell? | Animal cells have an irregular shape.Plant cells have a regular shape
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| Cell membrane | Controls what substances can get in and out of the cell
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| Cytoplasm | Jelly like substance where chemical reactions take place.In plant cells only a thin lining however in animal cells it takes up most of the cell.
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| Nucleus | Controls whats in the cell.Carries genetic information.Don't call it the brain of the cell.
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| Chloroplast | Where photosynthesis happens-chloroplast contains a green substance called chlorophyll
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| Vacuole | Contains a liquid called cel sap which keeps the cell firm
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| Cell Wall | Made of a tough substance called cellulose which supports the cell.
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| Red Blood Cell | To carry oxygen
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| Nerve cell | To carry nerve impulses to different parts of the body
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| Female reproductive cell(egg cell) | To join with the sperm cell and then provide food for the cell to be formed
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| Male reproductive cell (sperm cell) | To reach female egg and join it
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| Root hair cell | To obsorb water and minerals
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| Leaf cell | To obsorb sunlight for photosynthesis
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| Tissue | A luving cell is a group of cells all working in a group on a particular job
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| Give 5 examples of tissue | 1 muscle2 The lining of the intestine3 The lining of the lungs4 Pholeum(tubes to carry dissolved sugar around a plant)5 Root hair tissue(for plants to take up water and minerals from the soil)
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| Organ | An organ is made from a group of differnt tissues working on a job
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| Give 6 examples of organs | 1 heart2 lung3 stomach4 brain5 leaf6 root
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| Organ systems | A group of different organs working together to do a particular job.
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| Give 6 examples of an organ system | 1 circulatory system2 respiratory system3 digestive system4 nervous system5 reproductive system6 leaf canopy
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| Microscope | Cells are tiny so you have to use a microscope to see them
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