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Consider the following statements: 1. ...

Consider the following statements:
1. Copper is present in cytochrome oxidase.
2. Pantothenic acid is the precursor of coenzyme A.
3. Thiamine pyprophosphate is the prosthetic group in decarboxylases
4. Zinc is present in RNA and DNA polymerases
Which of these statements are correct?

A

1 and 2

B

2, 3 and 4

C

1, 2, 3 and 4

D

1, 3 and 4

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