Question

Give the biological term for 'The process of uptake of mineral ions against the concentration gradient using energy from the cell'.

Answer 1

Active absorption refers to absorption against the concentration gradient. Absorption of a solute from a region of low concentration to a region of higher concentration by the help of energy, is called active absorption. Hence, active absorption depends on osmotic concentration. In plants, under conditions of low transpiration, absorption occurs through active absorption. Carrier proteins are generally required for active absorption.