Apoenzyme is:
| 1. | protein | 2. | carbohydrate |
| 3. | vitamin | 4. | amino acid |
| 1. | B-uracil - a component of DNA |
| 2. | A-triglyceride- a major source of energy |
| 3. | A-lecithin - a component of cell membrane |
| 4. | B-adenine- a nucleotide that makes up nucleic |
Which of the following glucose transporters is insulin-dependent?
1. GLUT IV
2. GLUT I
3. GLUT II
4. GLUT III
Which of the following group of enzymes catalyzes removal of groups from substrate without hydrolysis of and it leads to formation of double bond:-
1. Oxidoreductases
2. Lyases
3. Hydrolases
4. Isomerases
Which of the following is correct?
| 1. | The ES complex formation is a transient phenomenon |
| 2. | The structure of the substrate gets transformed into the structure of product. |
| 3. | All the structures formed between substrate and product are called intermediates. |
| 4. | All of these |
Which of the following is an inorganic compound?
| 1. | Prosthetic group | 2. | Coenzymes |
| 3. | Metal ions | 4. | Apoenzymes |
Given below is the chemical formula of:
1. Palmitic acid
2. Glycerol
3. Galactose
4. Stearic acid
The statement "All biological catalysts are proteins" is no longer valid after the discovery of:
1. ribonuclease
2. ribozyme
3. RNAs
4. DNAs
Transition state structure of the substrate formed during an enzymatic reaction is:
| 1. | permanent but unstable |
| 2. | transient and unstable |
| 3. | permanent and stable |
| 4. | transient but stable |
Which of the following will fit in the description of a competitive enzyme inhibitor?
| 1. | a highly reactive compound. |
| 2. | a metal ion such as Hg2+ or Pb2+ |
| 3. | structurally similar to the substrate. |
| 4. | water insoluble. |