Biomolecules Ques 33

33. Identify an element amongst the following which is responsible for oxidation of water to $O_2$ in biological processes

[1997]

(a) $Fe$

(b) $Mn$

(c) $Mo$

(d) $Cu$

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Answer:

Correct Answer: 33.(b)

Solution:

(b) Water oxidation is catalyzed by a manganese containing cofactor. Here, cofactor is a species which increases the activity of an enzyme.