PS-I is named as it:
Correct answer: B. Discovered earlier than PS-II
- A. Absorbs wavelength of 680 nm
- B. Discovered earlier than PS-II
- C. Absorbs wavelength of 700 nm
- D. Slightly located upward than PS-II
Explanation
Photosynthetic pigments are organized into clusters, called photosystems. There are two photosystems found in plants, PS-I and PS-II. These are named so in order of their discovery.
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About Bioenergetics
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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