Photosynthesis - 4.4.1

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  • Photosynthesis (4.4.1.)
    • Photosynthesis Reaction (
      • Photosynthesis is an endothermic reaction that can be represented by the equation:
        • Carbon Dioxide + Water.             (light)              ---------> Glucose + Oxygen
      • CO? is the chemical formula for Carbon Dioxide
      • H?O is the chemical symbol for Water.
      • O? is the chemical formula for Oxygen
      • C?H??O? is the chemical formula of Glucose
    • Rate of Photosynthesis (
      • Explain the effects of temperature, light intensity, carbon dioxide concentrationand the amount of chlorophyll on the rate of  photosynthesis.
      • Explain graphs of photosynthesis rate involving two or three factors and decide which is the limiting factor.
      • Explain how: limiting factors are important in embracing the conditions in greenhouses to gain the maximum rate of photosynthesis while still maintaining profit.
    • Uses of Glucose from Photosynthesis (
      • The glucose produced in photosynthesis may be:
        • used for respiration.
        • converted into insoluble starch for storage.
        • used to produce fat or oil for storage.
        • used to produce cellulose, which strengthens the cell wall.
        • used to produce amino acids for protein synthesis.
      • Plants also use nitrate ions (absorbed from the soil) to produce proteins


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