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Photosynthetic pigments and photosystems Knowledge-Based Practice

Biology · Cellular Energetics · Biology · Photosynthesis

1 Biology practice questions on Photosynthetic pigments and photosystems. Questions that assess core concepts and understanding.

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  1. 1.

    Which statement correctly describes how absorbed light energy is processed within a photosystem?

    • A) Antenna pigments directly reduce the primary electron acceptor by releasing their excited electrons into the thylakoid lumen.
    • B) The reaction-center chlorophyll pair transfers excitation energy outward to carotenoids via resonance transfer.
    • C) Accessory pigments convert absorbed photon energy directly into chemical energy by synthesizing ATP in the stroma.
    • D) Antenna pigments transfer excitation energy via resonance transfer to the reaction center, where a special pair of chlorophyll a molecules transfers an electron to a primary electron acceptor.

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