PS I has chlorophyll a molecule that absorbs maximum light of _ nm.
Correct answer: D. 700
- A. 600
- B. 650
- C. 680
- D. 700
Explanation
Photosystems are the protein complexes involved in photosynthesis. Each photosystem is characterized by the wavelength of light to which its reaction centre is most reactive. Photosystem I, reaction centre pigment chlorophyll-a has an absorption peak at 700nm. Thus photosystem I is also known as P 700 So, the correct answer is '700 nm' A.This is factually incorrect value. B.This is not the maximum wavelength absorption of photosystem I. C.This is the peak absorption of photosystem II
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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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