Which of the following class of enzyme catalyse the joining of C-O and hydrolysis of C-N bonds respectively?

1.	Lyases and Ligases
2.	Ligases and Lyases
3.	Ligases and Hydrolases
4.	Lyases and Hydrolases

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 A and C

The  protein constituent of the enzymes are called

1. Apoenzyme

2. Prosthetic group

3. Co-enzymes

4. Holoenzyme

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 an organic compound?

1. Prosthetic group

2. Coenzymes

3. Metal ions

4. Both A and B

The Cofactor present in the Enzyme Peroxidase is

Which of the following organic compound association with the apoenzyme is only transient?

1. Prosthetic group

2. Coenzymes

3. Metal ions

4. Both A and B

The essential chemical components of many coenzymes are