Question:
NADPH is generated through
NADPH is generated through
Updated On: Jun 23, 2024
- photosystem II
- anaerobic respiration
- glycolysis
- photosystem I.
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The Correct Option is D
Solution and Explanation
Non-cyclic photophosphorylation involves both PS-1 and PS-11. Here electrons are not cycled back and are used in the reduction of NADP to NADPH,. Here water is utilized and O, evolution occurs. One molecule of ATP is produced between plastoquinone and cytochrome f. Whereas in cyclic photophosphorylation only PS-I is involved. Here electrons from P-700 are recycled back to P-700. Water is not utilized here and O, evolution does not occur. It involves production of two ATP molecules, no NADPH, is produced. Thus ATP synthesis occurs in both PS-I and PS-II.
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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)