Movement of substances Flashcards
1
Q
What is diffusion?
A
Diffusion in the net movement of particles down a concentration gradient until dynamic equilibrium is reached.
2
Q
What is osmosis?
A
Osmosis is the movement of liquids down a concentration gradient through a partially permeable membrane.
3
Q
What is active transport?
A
Active transport is the movement of particles against a concentration gradient. It requires energy from respiration. It uses protein carriers and a membrane.
