What is the color of the Xanthophyll pigment?
Correct answer: A. Yellow
- A. Yellow
- B. Red
- C. Orange
- D. Green
Explanation
Xanthophylls are a class of oxygen-containing carotenoid pigments primarily responsible for the yellow color observed in many flowers, fruits, and vegetables. While some Xanthophylls can appear orange, the characteristic color is yellow. Red and green are not associated with Xanthophyll pigments; red is typically due to anthocyanins, and green is due to chlorophyll.
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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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