Which is the correct order of energy transfer from accessory pigments to main photo synthetic pigment?
Correct answer: C. Carotenoids, chlorophyll b, Chlorophyll a
- A. Carotenoids, Chlorophyll a, Chlorophyll b
- B. Chlorophyll b, Carotenoids, Chlorophyll a
- C. Carotenoids, chlorophyll b, Chlorophyll a
- D. Chlorophyll a, Chlorophyll b, Carotenoids
Explanation
In the process of photosynthesis, energy transfer occurs in a specific sequence: from accessory pigments to the main photosynthetic pigment. Carotenoids capture light energy and pass it to chlorophyll b. Chlorophyll b then transfers this energy to chlorophyll a, where it is used in the photosynthetic reactions. Options A, B, and D are incorrect because they do not follow this correct sequence.
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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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