| 1 |
Optimum pH for sucrase is |
- A. 2.00
- B. 4.50
- C. 5.50
- D. 7.60
|
| 2 |
The active site of an enzyme |
- A. Never changes
- B. Forms no chemical bond with substrate
- C. Determines by its structure the specificity of an enzyme
- D. Looks like a lump projection from the surface of an enzyme
|
| 3 |
Enzyme lower down the energy of. |
- A. Kinetic
- B. Potential
- C. Activation
- D. Ionic
|
| 4 |
Poisons, like cyanide are examples of. |
- A. Enzymes
- B. Co enzymes
- C. Inhibitors
- D. Co factors
|
| 5 |
The detachable cofactors of an enzyme is known as. |
- A. Prosthetic group
- B. Apo enzyme
- C. <div>Activator</div>
- D. Co enzyme
|
| 6 |
The reversible inhibitors usually constitute |
- A. Strong linkage with enzyme
- B. Weak linkage with enzyme
- C. No Linage with enzyme
- D. medium linkage
|
| 7 |
The competitive inhibitor of succinic acid is. |
- A. Fumaric acid
- B. Malonic acid
- C. Acetic acid
- D. Citric acid
|
| 8 |
Lock and key model was proposed by |
- A. Koshland
- B. Emil Fisher
- C. Watson
- D. Flemming
|
| 9 |
The optimum pH of enter kinase is |
- A. 1.50
- B. 3.50
- C. 5.50
- D. 7.50
|
| 10 |
Koshland in 1959 proposed the modified form of |
- A. Fluid mosaic model
- B. Induce fit model
- C. Unit membrane model
- D. Reflective index model
|