MDCAT Biology MCQ #374

Which pigment molecule is specifically found in the reaction center of both Photosystem I and Photosystem II?

MDCAT Biology MCQ #374

  1. Question 1

    Q1. Which pigment molecule is specifically found in the reaction center of both Photosystem I and Photosystem II?

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

    Answer: Chlorophyll a

    Explanation: Chlorophyll a is the only pigment found in all photosynthetic eukaryotes' reaction centers. Chlorophyll b (Option B) is an accessory pigment.