About Lesson
Differences between active transport and diffusion
Active Transport |
Diffusion |
Movement against concentration gradient |
Movement along concentration gradient |
Require energy and carrier molecules. |
No use of energy and carrier molecules |
Occur across a cell membrane |
Does not require a cell membrane. |
Differences between active transport and osmosis
Active Transport |
Osmosis |
Movement of solute molecules/ions |
Movement of water molecules |
Movement against concentration gradient |
Movement along concentration gradient |
Require energy and carrier molecules. |
No use of energy and carrier molecules |