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Photosystem II

The primary e...

Question

The primary electron acceptor of PSII is

A

FeS

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B

Fd

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C

Plastocyanin

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D

Pheophytin

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Solution

The correct option is D
Pheophytin

Pheophytin serves as the first electron carrier intermediate in the electron transfer pathway of Photosystem II (PS II) in plants, and the photosynthetic reaction centre found in purple bacteria. Light drives electrons from the reaction centre through pheophytin, which then passes the electrons to a quinone (Q_A).

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