Active transport is the movement of molecules or ions against a concentration gradient. Passive transport is the movement of molecules or ions from an area of higher to lower concentration.
Passive transport does NOT require energy
-Diffusion - small uncharged molecules
-Osmosis - water
-Facilitated diffusion - glucose
Active transport REQUIRES energy
-Ion pumps
-Endocytosis
-Exocytosis
Answer:
it is the first one and this is not my opinion it is my sisters so if I get it wrong blame her.
Explanation:
Answer:
2.it has gained extra electron
