MDCAT Biology MCQ #419

In the thylakoid membrane, most pigments serve as antenna molecules, but which specific pigment acts as the primary reaction center?

MDCAT Biology MCQ #419

  1. Question 1

    Q1. In the thylakoid membrane, most pigments serve as antenna molecules, but which specific pigment acts as the primary reaction center?

    • A) Chlorophyll b
    • B) Chlorophyll a
    • C) Carotenoids
    • D) Xanthophylls

    Answer: Chlorophyll a

    Explanation: Chlorophyll a is the essential pigment; others like Chlorophyll b are accessory. Chlorophyll b is tempting but only transfers energy to a.