Q. No.Which one is the most abundant protein in the animal world?
1. Trypsin
2. Haemoglobin
3. Collagen
4. Insulin
Which of the following are not polymeric?
| 1. | Proteins | 2. | Polysaccharides |
| 3. | Lipids | 4. | Nucleic acids |
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 the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
| 1. | Hydrogen bonds | 2. | Electrostatic interaction |
| 3. | Hydrophobic interaction | 4. | Ester bonds |
| 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. Cellulose is a polysaccharide
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.
The chitinous exoskeleton of arthropods is formed by the polymerization of?
1. Keratine sulphate and chondroitin sulphate
2. D-glucosamine
3. N-acetyl glucosamine
4. Lipoglycans
Which of the following biomolecules have a phosphodiester bond?
1. Fatty acids in a diglyceride
2. Monosaccharides in a polysaccharide
3. Amino acids in a polypeptide
4. Nucleic acids in a nucleotide
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