Plant pigments responsible for red, yellow, and orange colors in many fruits and vegetables are:
Correct answer: C. Carotenoids
- A. Chlorophyll a
- B. Chlorophyll b
- C. Carotenoids
- D. Cellulose
Explanation
The correct answer is Carotenoids. These pigments impart red, yellow, and orange hues to many fruits and vegetables. They play a significant role in plant health and offer antioxidant benefits to humans. Chlorophyll a and b are primarily green pigments associated with photosynthesis, not with the vibrant colors in question. Cellulose, while important for structural integrity in plants, does not contribute to coloration.
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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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