How many molecules of ATP and NADPH are required for every molecule of

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Q.
How many molecules of ATP and NADPH are required for every molecule of $C O_{2}$ fixed in the Calvin cycle [2024]

1 2 molecules of ATP and 3 molecules of NADPH

2 2 molecules of ATP and 2 molecules of NADPH

3 3 molecules of ATP and 3 molecules of NADPH

4 3 molecules of ATP and 2 molecules of NADPH.

Ans.
(4)

ATP and NADPH are the products of light reaction which are required during $C O_{2}$ fixation during the Calvin cycle. For every $C O_{2}$ molecule entering the Calvin cycle, 3 molecules of ATP and 2 molecules of NADPH are required. To produce one molecule of glucose, 6 turns of cycles take place i.e., 6 × 3 ATP = 18 ATP and 6 × 2 NADPH = 12 NADPH are required.

Solution

Q.
How many molecules of ATP and NADPH are required for every molecule of $C O_{2}$ fixed in the Calvin cycle [2024]

1 2 molecules of ATP and 3 molecules of NADPH

2 2 molecules of ATP and 2 molecules of NADPH

3 3 molecules of ATP and 3 molecules of NADPH

4 3 molecules of ATP and 2 molecules of NADPH.

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Solution

Q. How many molecules of ATP and NADPH are required for every molecule of CO2 fixed in the Calvin cycle [2024]

1 2 molecules of ATP and 3 molecules of NADPH

2 2 molecules of ATP and 2 molecules of NADPH

3 3 molecules of ATP and 3 molecules of NADPH

4 3 molecules of ATP and 2 molecules of NADPH.

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Q.
How many molecules of ATP and NADPH are required for every molecule of $C O_{2}$ fixed in the Calvin cycle [2024]