Assertion (A): | Humans are advised to take a diet rich in proteins. |
Reason (R): | Essential amino acids cannot be synthesized by the human body. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true and (R) is not the correct explanation of (A). |
3. | (A) is true, (R) is false. |
4. | (A) is false, (R) is true. |
Column I | Column II | ||
a. | Down's syndrome | (i) | Bacterial disease |
b. | Diphtheria | (ii) | Cannot hold I2 |
c. | Cellulose | (iii) | Congenital disorder |
d. | Starch | (iv) | Helical secondary structures |
(a) | Acetic acid is a precursor of a derived lipid called cholesterol. |
(b) | Lecithin is a phospholipid found in the cell membrane. |
(c) | Glycerol is trihydroxy propane, considered an alcohol but not a lipid. |
(d) | Palmitic acid has 16 carbons excluding carboxyl carbon. |
(e) | Arachidonic acid is a saturated fatty acid which has 19 carbons excluding carboxyl carbon. |
a. | Trihydroxy propane is an example of a simple lipid. |
b. | Fatty acids with one or more C = C double bonds are said to be saturated. |
c. | Palmitic acid has 16 carbons excluding the carboxyl carbon. |
d. | Lecithin is an example of a phospholipid. |
Column I | Column II | ||
(a) | Haem | 1. | Metallic Cofactor |
(b) | NAD | 2. | Vitamin |
(c) | Zinc | 3. | Coenzyme |
(d) | Niacin | 4. | Prosthetic group |