MDCAT Biology MCQ #157

In the non-cyclic electron flow (Z-scheme), electrons from the primary electron acceptor of PSII are passed to PSI. What is the reaction center of PSI?

MDCAT Biology MCQ #157

  1. Question 1

    Q1. In the non-cyclic electron flow (Z-scheme), electrons from the primary electron acceptor of PSII are passed to PSI. What is the reaction center of PSI?

    • A) P660
    • B) P680
    • C) P690
    • D) P700

    Answer: P700

    Explanation: Photosystem I has an absorption peak at 700 nm; Photosystem II (P680) absorbs shorter wavelengths of 680 nm.