Dark reaction and light reaction of photosynthesis takes place in the:
Correct answer: A. Stroma and grana of chloroplast respectively
- A. Stroma and grana of chloroplast respectively
- B. Grana and stroma of chloroplast respectively
- C. Grana only
- D. Stroma only
Explanation
The light reactions occur in the thylakoid membranes, while the dark reactions (Calvin Cycle) take place in the stroma of the chloroplasts. Together, these processes enable the conversion of light energy into chemical energy stored in the form of carbohydrates.
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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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