What is the copper-containing protein involved in the ETC in plants?
Correct answer: B. Pc
- A. Pq
- B. Pc
- C. Pt
- D. Po
Explanation
Plastocyanin (Pc) is a copper-containing protein that plays a crucial role in the electron transport chain (ETC) during photosynthesis in plants and algae. Plastocyanin shuttles electrons between photosystem II (PSII) and photosystem I (PSI) within the thylakoid membrane of chloroplasts. The movement of electrons through the ETC in photosynthesis involves a series of protein complexes and cofactors. Plastocyanin serves as an electron carrier, transferring electrons from the cytochrome b6f complex (which is part of the ETC) to photosystem I.
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