Identify in diagrams and images the following structures in the leaf of a dicotyledonous plant: chloroplasts, cuticle, guard cells and stomata, upper and lower epidermis, palisade mesophyll, spongy mesophyll, air spaces, vascular bundles, xylem and phloem
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Investigate and describe the effect of light and dark conditions on gas exchange in an aquatic plant using hydrogencarbonate indicator solution
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Investigate and describe the effects of varying light intensity, carbon dioxide concentration and temperature on the rate of photosynthesis
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Explain the importance of: (a) nitrate ions for making amino acids (b) magnesium ions for making chlorophyll
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State the word equation for photosynthesis as: carbon dioxide + water → glucose + oxygen in the presence of light and chlorophyll
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Describe photosynthesis as the process by which plants synthesise carbohydrates from raw materials using energy from light
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Explain the effect of changes in pH on enzyme activity in terms of shape and fit and denaturation
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Explain the effect of changes in temperature on enzyme activity in terms of kinetic energy, shape and fit, frequency of effective collisions and denaturation
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Explain the specificity of enzymes in terms of the complementary shape and fit of the active site with the substrate
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