Question

Carotenoids are often found in foods that are considered to have antioxidant properties in human nutrition. What related function do they have in plants?

A) They serve as accessory pigments.
B) They dissipate excessive light energy.
C) They cover the sensitive chromosomes of the plant.
D) They reflect orange light.
E) They take up toxins from the water.

Answer 1

B) They dissipate excessive light energy.

Some carotenoids seem to be function as photoprotectors. These compounds absorb and dissipate excessive light energy that would otherwise damage chlorophyll or interact with oxygen, forming reactive oxidative molecules that are dangerous to the cell.

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