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During fixation of one molecule of `CO_(2)` by `C_(3)` plants, number of ATP and NADPH_(2)` required areA. 3ATP and 2`NADPH_(2)`B. 5ATP and `NADPH_(2)`C. 12 ATP and `12 NADPH_(2)`D. 2ATP and 3 `NADPH_(2)`

Answer» Correct Answer - A
For every `C_(2)` molecule entering the Calvin cycle 3 molecules of ATP and 2 molecules odf NADPH are required. To make one molecule of glucose, 6 turns of the cycles are requried (6xx2ATP=18ATP and 6xx2 NADPH=12NADPH).


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