Enzymes for light dependent reaction are present in:
Correct answer: A. Thylakoid membrane of chloroplast
- A. Thylakoid membrane of chloroplast
- B. Lumen of grana
- C. Stroma
- D. Outer membrane
Explanation
The correct answer is the thylakoid membrane of chloroplast. This location is integral for the light-dependent reactions of photosynthesis, where enzymes and components like the electron transport chain are embedded. These reactions result in the conversion of light energy into chemical energy in the form of ATP and NADPH. The lumen of grana is involved in creating a proton gradient but lacks the necessary enzymes. The stroma is the site for the Calvin cycle (light-independent reactions), while the outer membrane serves as a protective barrier and is not involved in these specific reactions.
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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