Chlorophylls are found embedded in the _ membranes.
Correct answer: C. Thylakoid
- A. Stroma
- B. Grana
- C. Thylakoid
- D. lntergrana
Explanation
Chlorophylls are found embedded in the thylakoid membranes of chloroplasts. Thylakoids are membrane-bound structures within the chloroplasts of plant cells and some photosynthetic bacteria. These membranes contain the pigments, including chlorophylls, that capture light energy during the light-dependent reactions of photosynthesis. The arrangement of chlorophylls and other pigments in the thylakoid membranes is crucial for the absorption and conversion of light energy into chemical energy, which is then used to produce ATP and NADPH during photosynthesis.
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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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