The ETC in plants consists of an electron carrier called _.
Correct answer: A. Pq
- A. Pq
- B. Pm
- C. Pt
- D. Po
Explanation
Plastoquinone, abbreviated as Pq, is a crucial electron carrier in the light-dependent reactions of photosynthesis. It transfers electrons from Photosystem II to the cytochrome b6f complex, facilitating the continuation of the electron transport chain and contributing to the generation of a proton gradient used in ATP synthesis. Options B (Pm), C (Pt), and D (Po) do not correspond to any known electron carriers in the photosynthesis process, making them incorrect answers.
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