Question

1. Photosynthesis consists of which two set of reactions that are linked by redox reactions to generate chemical energy:

A. light capturing reactions and oxidative phosphorylation

B. light capturing reactions and Kelvin cycle

C. light capturing reactions and splitting water

D. light capturing reactions and chemiosmosis

2. To date, in all of biology, only Photosystem II is known to use solar energy to

		to provide energy for chemiosmosis
		absorb light of a wavelength between 550 and 600 nm
		provide highly energetic electrons to redox reactions that generate chemical energy
		produce oxygen by oxidizing (or splitting) water

Answer 1

1. Photosynthesis consists of which two sets of reactions that are linked by redox reactions to generate chemical energy:

Answer-D. light-capturing reactions and chemiosmosis.

Light capturing is a process in which plants capture sunlight and use this energy to fix carbon dioxide. Plants fix carbon dioxide in the Calvin cycle (not Kelvin cycle).

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