Xanthophylls and Carotenes

question 65

Multiple Choice

Xanthophylls and carotenes:

• A)are the principal photosynthetic pigments in green plants.
• B)are the principal sources of vitamin C for humans.
• C)are carotenoids.
• D)are normally present in the cytosol rather than in plastids.
• E)can substitute for chlorophylls in photosynthesis.

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