List of top Zoology Questions on Enzymes

Match List-I with List-II:

	List-1 (Enzyme Class)		List-II (Type of reaction catalysis)
A	Oxidoreductases	I	Cleavage of C-C, C-O, C-N or other bonds by elimination
B	Transferases	II	Transfer of electrons (hydride ions or H atoms)
C	Lyases	III	Group transfer reaction
D	Ligases	IV	Formation of C-C, C-S, C-O and C-N bonds by condensation reaction

Choose the correct answer from the options given below

Arrange the following enzymes involved in ẞ-oxidation pathway of fatty acids in sequence:
A. Aetyl-CoA-acetyltransferase 
B. Enoyl CoA hydratase
C. Acyl-CoA synthetase 
D. Acyl-CoA dehydrogenase 
E. B-hydroxyacyl CoA dehydrogenase 
Choose the correct answer from the options given below: 

Which of the following enzymes introduce negative supercoiling in prokaryotic DNA ?