Question

28) Active transport requires *
1 point
O 1) Energy
O2) Special carrier protein
O 3) High concentration of solvent
O 4) Both 1 & 2​

Answer 1

Answer:

Active transport is the movement of molecules or ions against a concentration gradient (from an area of lower to higher concentration), which does not ordinarily occur, so enzymes and energy are required. Passive transport is the movement of molecules or ions from an area of higher to lower concentration.

Explanation:

d is ur answer