1 p9 cells 221110

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Introduction to plant and animal cells: S1

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  • cell membrane, in both cells, allows entry and exist of small molecules to enter and exit the cell ( the cell is said to be SEMI PERMEABLE)
  • cell membrane, in both cells, allows entry and exist of small molecules to enter and exit the cell ( the cell is said to be SEMI PERMEABLE)
  • 1 p9 cells 221110

    1. 1. Cells and reproduction 1P9: Monday 22nd November
    2. 2. What are cells? • All living things are made of cells • A living thing is called an organism • Plants and animals are organisms • Cells are like ‘Lego bricks’ – they are the building blocks of life – small units that make up larger structures
    3. 3. Nucleus Cytoplasm Cell membrane Animal Cell
    4. 4. Part Function Nucleus Cytoplasm Cell Membrane Controls all cell activities Liquid centre of a cell where chemical reactions happen. The border of a cell which controls what goes in and out of the cell. It only allows small molecules to pass through it and so is known as semi-permeable. Parts of Animal Cells
    5. 5. Nucleus Cytoplasm Cell membrane Vacuole Chloroplast Cell wall Plant Cell
    6. 6. Part of Cell Function Nucleus Cytoplasm Cell membrane Vacuole Contains a watery liquid called cell sap Chloroplast Contain a green chemical – chlorophyll – responsible for photosynthesis Cell wall Provides strength and support and helps to maintain shape Controls all cell activities Liquid centre of a cell where chemical reactions happen. The border of a cell which controls what goes in and out of the cell
    7. 7. Similarities and Differences BOTH animal and plant cells have: ONLY plant cells have: Nucleus Cell wall Cytoplasm Vacuole Cell membrane Chloroplasts The typical plant and animal cells look different to each other – they are different shapes and the nucleus is in a different position.

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