Edexcel A2 - Photosynthesis 3.0 / 5 based on 8 ratings ? BiologyA2/A-levelEdexcel Created by: annabelCreated on: 12-12-12 14:41 What does photosynthesis involve? Reduction of carbon dioxide to carbohydrate 1 of 13 What is photolysis? The splitting of a water molecule by light. H2O > 1/2 + 2H+ + 2e- 2 of 13 What are the pigments involved in photosynthesis? Chlorphyll a, Chlorophyll b, carotene b, xanthophyll 3 of 13 Where does the light dependent reaction take place? thylakoid membrane 4 of 13 Where does the light independent reaction take place? stroma 5 of 13 How many photosystems are there? 2 6 of 13 What is GP reduced to? GALP 7 of 13 What are the products from the light dependent stage that are used in the calvin cycle? ATP and NADPH 8 of 13 What is the waste product in the light dependent stage? Oxygen 9 of 13 What is photophosphorylation? Synthesis of ATP from ADP + Pi + energy 10 of 13 What photosystem is involved in cyclic photophosphorylation? 1 11 of 13 What photosystems are involved in non-cyclic photophosphorylation? 1 and 2 12 of 13 What carbon compound in the calvin cycle goes on to regenerate RuBP? GALP 13 of 13
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