Glycogen is a polymer of :
| 1. | Galactose | 2. | Glucose |
| 3. | Fructose | 4. | Sucrose |
A glycosidic bond connects :
| 1. | two monosaccharides |
| 2. | two amino acids |
| 3. | two fatty acids |
| 4. | a fatty acid and a glycerol |
The triple helix structure of collagen was discovered by:
| 1. | G. N. Ramachandran | 2. | Y. S. Subbarao |
| 3. | C. V. Raman | 4. | S. Chandrashekhar |
Which of the following organic compounds is the main constituent of Lecithin?
| 1. | Arachidonic acid | 2. | Phospholipid |
| 3. | Cholesterol | 4. | Phosphoprotein |
The four elements making 99 % of living system are :
1. CHOS
2. CHOP
3. CHON
4. CNOP
Chitin, a complex polysachharide is found in:
| 1. | Plant cell wall |
| 2. | The exoskeleton of arthropods and cell walls of most fungi |
| 3. | Bacterial cell wall |
| 4. | Cartilage and other connective tissue |
Sugars are technically called carbohydrates, referring to the fact that their formulae are only multiples of C(H2O). Hexose therefore has six carbons, twelve hydrogen and six oxygen atoms. Glucose is a hexose. Choose from among the following another hexose.
| 1. | Fructose | 2. | Erythrose |
| 3. | Ribulose | 4. | Ribose |
Most hydrated and most stable form of DNA is known as:
| 1. | A DNA | 2. | B DNA |
| 3. | C DNA | 4. | Z DNA |
Adenine and guanine are:
| 1. | Substituted purines | 2. | Substituted pyrimidines |
| 3. | Deoxyribonucleosides | 4. | Ribonucleotides |
For its activity, carboxypeptidase requires
| 1. | Copper | 2. | Zinc |
| 3. | Iron | 4. | Niacin |