Compare and contrast carotene and xanthophyll.







Expert Answers

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Below, several similarities of carotene and xanthophyll have been identified:

  • Carotene and xanthophyll are both accessory plant pigments.
  • Carotene and xanthophyll pass the energy that they capture from the sun onto chlorophyll a.
  • Both pigments are housed in the chloroplasts of plant cells.
  • Both pigments can be used during photosynthesis. During photosynthesis, sunlight energy is used to convert carbon dioxide gas and water into the sugar known as glucose and oxygen gas.

Below are some differences between carotene and xanthophyll.

  • Carotene and xanthophyll absorb sunlight energy from different regions of the visible light spectrum.
  • A main difference between carotene and xanthophyll is the color displayed by each pigment. Carotene is red to orange in color. Xanthophyll is yellow in color.


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