Which of the following class of enzyme is used for catalysing hydrolysis of ester, ether, peptide bonds?

1.Lyases

2.Ligases

3.Hydrolases

4.Both 1 and 2

Which of the following class of enzymes helps in catalysing a transfer of a group(other than hydrogen) between a pair of substrates?

1.Ligases

2.Lyases

3.Transferases

4.Hydrolases

Electron transferring enzymes belongs to which class of enzymes

1.Transferases

2.Oxidoreductases

3.Isomerases

4.Lyases

The non- protein constituent of the enzymes are called

1.Apoenzyme

2.Holoenzyme

3.Cofactors

4.both 1 and 3

Which of  the following are co-factors?

1.Co-enzymes

2.Metal ions

3.Posthetic groups

4.All of these

Which of the following is correct?

1.Apoenzyme = Holoenzyme + Coenzyme

2.Holoenzyme= Apoenzyme + Coenzyme

3.Coenzyme= Apoenzyme + Holoenzyme

4.Holoenzyme= Coenzyme + Cofactor

Which of the following is an inorganic compound?

1.Prosthetic group

2.Coenzymes

3.Metal ions

4.Apoenzymes

The Cofactor present in the Enzyme Catalase is

1.NADP

2.NAD

3.Haem

4.Zn

The essential chemical components of many coenzymes are

1.Metal ions

2.Vitamins

3.Heme

4.NAD and NADP

Which of the following contain the vitamin niacin?

1.NAD

2.NADP

3.Heme

4.Both 1 and 2