- 1(current)
Q. No.The two functional groups characteristic of sugars are:
| 1. | Hydroxyl and methyl | 2. | Carbonyl and methyl |
| 3. | Carbonyl and phosphate | 4. | Carbonyl and hydroxyl |
Which of the following is not a polymeric substance?
(1) Nucleic acid
(2) Proteins
(3) Polysaccharides
(4) Lipids
Which one of the following statements is correct with reference to enzymes?
1. Holoenzyme= Apoenzyme+Coenzyme
2. Coenzyme= Apoenzyme+Holoenzyme
3. Holoenzyme= Coenzyme+ CO-factor
4. Apoenzyme=Holoenzyme+Coenzyme
Which of the following is the least likely to be involved in stabilising the three-dimensional folding of most proteins?
(1) Hydrogen bonds
(2) Electrostatic interaction
(3) Hydrophobic interaction
(4) Ester bonds
Which of the following describes the graph correctly?
(1) Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
(2) Exothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme
(3) Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
(4) Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme
| 1. | Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme |
| 2. | Exothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme |
| 3. | Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme |
| 4. | Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme |
2. Uracil is a pyrimidine
3. Glycine is a sulphur-containing amino acid
4. Sucrose is a disaccharide
2. One glycerol and one fatty acid molecule
3. Three glycerol and three fatty acid molecules
4. Three glycerol molecules and one fatty acid molecule.
- 1(current)
Q. No.
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