1. | Melting points and solubility in the water of amino acids are higher than haloacids. |
2. | Melting points and solubility in water of halo acids are higher than amino acids. |
3. | Both amino acids and haloacids have comparable melting point. |
4. | None of the above |
1. | \(\alpha - D-\)Glucose and \(\beta-D-\)Galactose |
2. | \(\beta-D-\)Glucose and \(\beta-D-\)Galactose |
3. | \(\beta - D-\)Glucose and \(\alpha-D-\)Galactose |
4. | \(\alpha - D-\)Glucose and \(\alpha-D-\)Galactose |
1. | 10 | 2. | 9 |
3. | 8 | 4. | 7 |
Which one is not a D-sugar:
1. | 2. | ||
3. | 4. |
In both DNA and RNA, heterocyclic base and phosphate ester linkages are at:
1. | C5' and C1' respectively of the sugar molecule. |
2. | C1' and C5' respectively of the sugar molecule. |
3. | C2' and C5' respectively of the sugar molecule. |
4. | C5' and C2' respectively of the sugar molecule. |
1. | It results due to change of temperature and pH. |
2. | It results in the loss of biological activity of proteins. |
3. | A protein is formed from amino acids linked by peptide bonds. |
4. | Uncoiling of the helical structure takes place. |
Glucose and Fructose can be distinguished by the use of :
1. Fehling solution
2. Tollen's reagent
3. Bromine water
4. All of the above
1. | C1 | 2. | C2 and C3 |
3. | C4 and C5 | 4. | C6 |