The human body does not produce
(1) DNA
(2) vitamins
(3) hormones
(4) enzymes
Scurvy is caused due to the deficiency of vitamin:-
1. | B2 | 2. | B12 |
3. | C | 4. | D |
An acid that acts as a vitamin is
1. | Aspartic acid | 2. | Glumatic acid |
3. | Ascorbic acid | 4. | Saccharic acid |
The test that is not used for testing proteins is:
1. Ninhydrin test
2. Millon's test
3. Molisch's test
4. Biuret test
Which structure(s) of proteins remains(s) intact during denaturation process?
1. Both secondary and tertiary structures
2. Primary structure only
3. Secondary structure only
4. Tertiary structure only
The compound that does not reduce Benedict's solution is:
1. | Glucose | 2. | Fructose |
3. | Sucrose | 4. | Aldehyde |
If —D—glucose is dissolved in water and kept for a few hours, the major constituent(s) present in the solution is/are:
1. | α —D—glucose. |
2. | The mixture of ß—D-glucose and open-chain D-glucose. |
3. | Open chain D-glucose. |
4. | The mixture of α —D—glucose and ß—D-glucose. |
The structural feature which distinguishes proline from other natural -amino acids is -
1. It is optically inactive.
2. It contains an aromatic group.
3. It is a dicarboxylic acid.
4. It is a secondary amine.
Insulin and carboxypeptidase contains respectively
1. Cu, Zn
2. Ag, Cu
3. Cu, Cu
4. Zn, Zn
-helix is also known as
(1) Sheet structure
(2) Flat structure
(3) 3.613 helix
(4) 4.915 helix