| 1 |
A little change in phmay leadsto. |
- A. Effects enzyme only in high concentration
- B. Retarder even block enzyme activity
- C. Ionization of substrate
- D. Ionization of active sites of enzyme
|
| 2 |
Co-enzyme is a |
- A. Covalently bonded non-protein part of an enzyme
- B. Loosely bonded non-protein part of an enzyme
- C. Co-factor consists of metal ions
- D. None of these
|
| 3 |
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
|
| 4 |
The reversible inhibitors usually constitute |
- A. Strong linkage with enzyme
- B. Weak linkage with enzyme
- C. No Linage with enzyme
- D. medium linkage
|
| 5 |
Enzyme lower down the energy of. |
- A. Kinetic
- B. Potential
- C. Activation
- D. Ionic
|
| 6 |
The enzyme with optimum pH 5.50 is |
- A. Arginase
- B. Sucrase
- C. pepsin
- D. Enter kinase
|
| 7 |
The rate of reaction of enzyme directly depends upon |
- A. Amount of enzyme present at a specific time at unlimited substrate concentration
- B. Nature of substrate
- C. Maximum pH level
- D. Low temperature
|
| 8 |
The optimum pH of pancreatic Lipase is |
- A. 7.00
- B. 9.00
- C. 6.40
- D. 5.20
|
| 9 |
The specificity of an enzyme is due to its |
- A. Cofactor
- B. Protein nature
- C. Active site
- D. Globular shape
|
| 10 |
Lock and key model was proposed by |
- A. Koshland
- B. Emil Fisher
- C. Watson
- D. Flemming
|