1. Enzymes are not found in
3. Role of enzyme in reaction is to is to / as
10. The enzymes are involved in feedback inhibition are called
Answers
1. b) Virus
2. b) Thermolabile
3. a) Decrease activation energy
4. c) Accessory non protein substance attached firmly
5. b) coenzyme
6. d) all of these
7. c) Chemical precursor of enzymes
8. b) Copper
9. a) Nitrogenase
10. a) Allosteric enzymes
a) Fungi2. Enzymes are
b) Virus
c) Algae
d) Cyanobacteria
a) Thermophile
b) Thermolabile
c) Thermostable
d) All of these
3. Role of enzyme in reaction is to is to / as
a) Decrease activation energy4. Co factor (prosthetic group) is a part of holoenzyme. It is
b) Increase of activation energy
c) Inorganic catalyst
d) None of these
a) Loosely attached organic part5. An organic substance bound to an enzyme to an enzyme and essential for its activity is called
b) Loosely attached inorganic part
c) Accessory non protein substance attached firmly
d) None of these
a) isoenzyme6. Which of the following is an enzyme inhibitor?
b) coenzyme
c) apoenzyme
d) holoenzyme
a) Cyanide7. Zymogens are
b) Azide
c) Sulphide
d) all of these
a) Active enzymes8. The typsinase, is activated by ion-
b) Solvent of enzymes
c) Chemical precursor of enzymes
d) Enzyme inhibitors
a) Iron9. Enzymes first used for nitrogen fixation
b) Copper
c) Potassium
d) Calcium
a) Nitrogenase
b) Transferase
c) Transaminase
d) Nitroreductase
10. The enzymes are involved in feedback inhibition are called
a) Allosteric enzymesLearn more
b) Coenzymes
c) Holoenzymes
d) Coenzymes
Answers
1. b) Virus
2. b) Thermolabile
3. a) Decrease activation energy
4. c) Accessory non protein substance attached firmly
5. b) coenzyme
6. d) all of these
7. c) Chemical precursor of enzymes
8. b) Copper
9. a) Nitrogenase
10. a) Allosteric enzymes