Question

1. Transport of molecules or ions across the membrane that requires expenditure of
୧nergy is called​

Answer 1

Answer:Active transport occurs when a cell actively pumps a molecule across its membrane, against the natural direction dictated by diffusion, osmosis, or polarity. As seen in , such transport requires energy.

Explanation:

Answer 2

Answer:

active transport is the correct answer......

Explanation:

hope it helps.