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L. Structure Recognition -Enzyme Cofactors (2 pts each) Enter the corresponding

ID: 999645 • Letter: L

Question

L. Structure Recognition -Enzyme Cofactors (2 pts each) Enter the corresponding letter in the blanks. Each structure may be used once or not at all CH eood Hrc CH, NH2 1. a redox cofactor utilized by many dehydrogenases; contains nicotinamide. 2. the coenzyme that provides acetyl groups for the citrate synthase reaction. flavin adenine dinucleotide. biotin; a vitamin found in the active site of carboxylases. PLP; a cofactor required for the transaminase reaction. 6. lipoic acid: used to make the lipoamide "arm" of pyruvate dehydrogenase. 7. a prosthetic group found in cytochrome c. 8. cobalamine: a rare cofactor used by methylmalonyl-CoA mutase. 16

Explanation / Answer

1. G: Nicotine adenine dinucleotide (NAD).

2. E: Acetyl Co-A.

3. H.

4. B.

5. C.

6. J.

7. A: Heme group.

8. F.