MDCAT Biology MCQ #326

A photon of 700nm wavelength hits a reaction center pigment. This specific pigment belongs to:

MDCAT Biology MCQ #326

  1. Question 1

    Q1. A photon of 700nm wavelength hits a reaction center pigment. This specific pigment belongs to:

    • A) Photosystem II
    • B) Photosystem I
    • C) Plastoquinone
    • D) Cytochrome complex

    Answer: Photosystem I

    Explanation: Photosystem I has a reaction center known as P700. Photosystem II is tempting because it absorbs light at 680 nm.