Transport Across Cell Membrane Flashcards
1
Q
What do all cells have?
A
Cell membrane
2
Q
What is the cell membrane composed of
A
Phospholipids and proteins
3
Q
What is active transport
A
Is when a substance moves against the concentration gradient
4
Q
What is passive transport
A
When a substance moves down the concentration gradient
5
Q
What is diffusion
A
Substance moves into the cell from a high concentration to inside to a low concentration
6
Q
What is Osmosis?
A
Movement of water from high con to low concentration
7
Q
What happened to a plant cell when water moves into it?
A
It becomes a turgid cell
8
Q
What happened to a plant cell when water moves out of it?
A
Is becomes plasmolyse
9
Q
What happens to a animal cell when pure water is added?
A
Cell bursts, no more cell wall
10
Q
What happens when water moves out of an animal cell?
A
Cell shrinks
