active transport

active transport   Dan mc plus active

In active transport, the particles move across a cell membrane from a lower concentration to a higher concentration

Active Transport Transport In Cells: Active Transport Cells Biology

ฉลามเมกาโลดอน PRIMARY ACTIVE TRANSPORT Primary active transport occurs in the absence of or against the existing electrochemical gradient, and is powered by metabolic energy Definition Active transport is the process of transferring substances into, out of, and between cells, using energy In some cases, the movement of substances