It is the most abundant and most important photosynthetic pigment:
Correct answer: D. Chlorophyll a
- A. Chlorophyll b
- B. Chlorophyll c
- C. Chlorophyll d
- D. Chlorophyll a
Explanation
Chlorophyll a is the correct answer because it is the most abundant and primary photosynthetic pigment in plants, algae, and cyanobacteria. It plays a vital role in absorbing light and converting it into chemical energy during photosynthesis. Other chlorophyll pigments like b, c, and d serve as accessory pigments, helping capture additional light wavelengths and transferring energy to chlorophyll a, but they are not the primary pigments.
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About Bioenergetics
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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