Course Content
NUTRITION IN PLANTS AND ANIMALS
0/78
Biology Form 1
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