Transport in and out of cells Flashcards
1
Q
what is diffusion?
A
Diffusion is the movement of anything generally from a region of higher concentration to a region of lower concentration.
2
Q
what is osmosis?
A
It is the diffusion of water from a dilute solution to a concentrated solution through a partially permiable membrane.
3
Q
What is active transport?
A
Active transport moves substances against a low concentration gradient to a high concentration.
4
Q
What does active transport require?
A
energy from respiration
