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

Consider the following statements:

1. Coenzymes or metal ion that is tightly bound to enzyme protein is called prosthetic group.

2. A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.

Select the correct option:

Which of the following cofactor is essential for the proteolytic enzyme carboxypeptidase?

1.Zinc

2.Copper

3.Magnesium

4.Iron