Give one difference between each of the following:
Antibodies and Interferons.
Antibodies | Inteferons |
Produced by the B–cells and defined the body against infection. |
Produced by virus-infected cells and protect the body cells against viruses. |
Give one difference between each of the following:
Glucocorticoids and Mineralocorticoids.
Give reasons for the following
A person has difficulty in focusing on nearer objects, as the age increases.
Give reasons for the following:
Nerve impulse travels in one direction due to change in voltage difference during conduction and due to the secretion of acetylchloride at symaptic cleft.
Give reasons for the following
A cut plant wilts fast even if its cut end is dipped in water.
Give reasons for the following
Jamming of wooden doors and windows takes place during rainy season.