9
QuizMultiple Choice

Light Dependent Reactions in Photosynthesis — Quiz

Question 9 • Biology

Which is the best description of photophosphorylation?

Answer
A
the absorption of light energy by chlorophyll
B
the removal of a phosphate group from a molecule
C
the conversion of ADP to ATP using light energy
D
the conversion of light energy to chemical energy

Explanation

Photophosphorylation is the process of adding a phosphate group to ADP to make ATP, powered by light energy. Therefore, the best description is “the conversion of ADP to ATP using light energy.” Absorbing light by chlorophyll is part of photosynthesis, but it does not define photophosphorylation.

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