The photosynthetic pigments of plants are arranged as clusters in thylakoid membranes. The reaction centers of these clusters consist of _ molecules.
Correct answer: A. Chlorophyll
- A. Chlorophyll
- B. ATP
- C. Carotenoids
- D. Glucose
Explanation
Chlorophyll, is the correct answer because they are the photosynthetic pigment that comprises the reaction centers of these clusters, or photosystems 1 and 2. Light energy collected by the photosystem is transferred to the reaction center, which consists of chlorophyll molecules, after which an electron is excited and the subsequent steps of the light-dependent reaction of photosynthesis occur.
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Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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