Conjugate Enzymes

Q. The enzyme, which is usually secreted in the inactive state, is called

1. zymogen
2. isoenzyme
3. apoenzyme
4. coenzyme

Q. NAD and NADP are

1. not a participant in any catalytic reaction
2. participants as cofactors in non-catalytic reaction
3. participants as cofactor in enzyme catalysed reaction
4. participants as cofactor in both non-catalytic and enzyme catalysed reactions

Q. Which of the following is not a conjugated protein?

1. peptone
2. Phosphopretein
3. Lipoprotein
4. Chromoprotein

Q. Identify the organic compound which is associated with the apoenzyme transiently.

1. Prosthetic group
2. Coenzymes
3. Metal ions
4. Both a and b

Q. Thermolabile protein part of enzyme is

1. apoenzyme
2. proenzyme
3. holoenzyme
4. isoenzyme

Q. Match the following co-factors with their examples:

1. Catalase
2. Zinc
3. NADP

Q. Assertion (A) : Coenzymes serve as cofactors in a number of different enzyme catalyzed reactions
Reaction (R) : Coenzymes and prosthetic groups are cofactors

1. Both A and R are correct and R is the correct explanation of A
2. Both A and R are correct and R is not the correct explanation of A
3. A is correct but R is incorrect
4. Both A and R are incorrect

Q. The co-factor for the enzyme carboxypeptidase is

1. copper
2. zinc
3. iron
4. manganese

Q.

Whats the temperature at which the enzyme gets damaged?

Q.

The protein part of an enzyme is called:

1. Holoenzyme

2. Apoenzyme

3. Coenzyme

4. Lysozyme