問題詳情

73. Photosynthetic pigments in the thylakoid are light receptors. Which is NOT CORRECT?
(A) Chlorophyll a, which participates directly in the light reactions and absorbs best in the red and violet-bluewavelengths and absorbs least in the green, participates directly in the light reactions, but accessory photosyntheticpigments absorb light and transfer energy to chlorophyll a.
(B) Accessory pigments include chlorophyll b, carotenoids, and anthocyanin.
(C) An overall action spectrum for photosynthesis profiles the relative effectiveness of different wavelengths of radiationin driving the process. The action spectrum of photosynthesis was first demonstrated in 1883 in a clever experimentperformed by Thomas Engelmann.
(D) The action spectrum of photosynthesis does not match exactly the absorption spectrum of any one photosyntheticpigment, including chlorophyll a.
(E) Each light-harvesting complex consists of pigment molecules (which may include chlorophyll a, chlorophyll b, andcarotenoids) bound to proteins, in which the light-harvesting complexes act as an antenna for the reaction-centercomplex.

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