How many ATP and NADPH2 are required for the synthesis of one molecule of Glucose during Calvin cycle?
How many ATP and NADPH2 are required for the synthesis of one molecule of Glucose during Calvin cycle?
18 ATP and 12 NADPH2
12 ATP and 16 NADPH2
18 ATP and 16 NADPH2
12 ATP and 12 NADPH2
The Correct Option is A
Solution and Explanation
The Calvin cycle, which is part of the light-independent reactions of photosynthesis, uses ATP and NADPH2 (reduced form of NADP+) generated during the light-dependent reactions to fix carbon dioxide and produce glucose. Specifically, it takes 18 molecules of ATP and 12 molecules of NADPH2 to synthesize one molecule of glucose.
Therefore, The correct option is (A): 18 ATP and 12 NADPH2
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Concepts Used:
Photosynthesis in Higher Plants
Processes Of Photosynthesis in Higher Plants:
Photosynthesis in higher plants involves the following processes:
- Light Reaction
- Dark Reaction
Light Reaction:
- This phenomenon occurs in the presence of light.
- The pigment absorbs light and produces energy in the form of ATP.
- The process involves- absorption of light, water splitting, the release of oxygen, and formation of ATP and NADPH.
Dark Reaction:
This process occurs in the absence of light in the stroma of the chloroplasts. The following cycles are involved in the process:
- Calvin Cycle (C3 Cycle)
- C4 Cycle (Hatch and Slack Pathway)
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