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Photosynthesis

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  1. Fixation of one CO2 molecule through Calvin cycle requires
    1. 1 ATP and 2NADPH2
    2. 2ATP and 2NADPH2
    3. 3ATP and 2NADPH2
    4. 2ATP and 1NADPH2
Correct Option: C

2 ATP are required during conversion of PGA to 1, 3-diphosphoglyceric acid and 1 ATP during conversion of glyceraldehyde phosphate to ribulose biphosphate. 2NADH2 molecules are utilised for converting 1, 3-diphosphoglyceric acid to glyceraldehyde phosphate.


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