Question

what is active transport .give in brief description

Answer 1

Active transport. The movement of ions or molecules across a cell membrane in the direction opposite that of diffusion, that is, from an area of lower concentration to one of higher concentration. Active transport requires the assistance of a type of protein called a carrier protein, using energy supplied by ATP.

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Answer 2

active transport is a type of transportation which occurs in cell. in this mode transportation energy is consumed or we can say energy is required for the trasportation process. na+k+ such type of pumps are used