Biology Revision

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  • Biology
    • Cell Structure
      • Animal Cells
        • Cytoplasm- gel like substance where most of the chemical reactions happen. Contains Enzymes that control the these chemical reactions
        • Cell Membrane- Holds the cell together and controls what goes in and out.
        • Mitochondria-These are where most of the reactions for aerobic respiration takes place. Respiration transfers energy that the cell needs to work.
        • Ribosome- These are where the proteins are made in the cell.
        • The Plant Cell contains everything in the Animal cell with these included
          • Plant Cells
            • Cell Wall- Made of cellulose, it supports the cell and strengthens it.
            • Permanent vacuole- Contains cell sap, a weak solution of sugar and salts.
            • Chloroplasts-These are where              photosynthesis occurs, which makes food for the plant. They contain a green substance called Chlorophyll, which absorbs the light needed to photosynthesis.
      • Cell Specialisation
      • Plant Cells
        • Cell Wall- Made of cellulose, it supports the cell and strengthens it.
        • Permanent vacuole- Contains cell sap, a weak solution of sugar and salts.
        • Chloroplasts-These are where              photosynthesis occurs, which makes food for the plant. They contain a green substance called Chlorophyll, which absorbs the light needed to photosynthesis.
      • Eukaryotes VS Prokaryotes
        • Eukaryotes cells are complex and include all animal and plant cells. They are organisms that are made up of eukaryotic cells.
        • Prokaryotic cells are smaller and simpler e.g bacteria. They are a singled-cell organism

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