Fundamentholfundamenthol
NEET2024Biology
Q.

How many molecules of ATP and NADPH are required for every molecule of CO fixed in the Calvin cycle?

  1. A

    3 molecules of ATP and 3 molecules of NADPH

  2. B

    3 molecules of ATP and 2 molecules of NADPH

  3. C

    2 molecules of ATP and 3 molecules of NADPH

  4. D

    2 molecules of ATP and 2 molecules of NADPH

Solution

The Calvin cycle consumes 3 ATP and 2 NADPH per CO fixed. For one molecule of glucose (six turns of the cycle), the totals are 18 ATP and 12 NADPH.

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