The Biology Project: Biochemistry

Photosynthesis Problem Set 1

Problem 9: Fate of excited pigment molecules

Correct!

The conversion of light energy to chemical energy during photosynthesis begins when an excited pigment molecule:
A undergoes fluorescence

B loses energy as heat

C undergoes an oxidation reaction

Light energy is converted to chemical energy when a photochemically excited special chlorophyll molecule of the photosynthetic reaction center loses an electron, undergoing an oxidation reaction.

D increases its molecular motion

E is transported across a proton channel

The Biology Project
University of Arizona
Thursday, October 3, 1996
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