unit 1.1 Flashcards
1
Q
What does an animal cell contain?
A
- Nucleus
- Cytoplasm
- Cell membrane
- Mitochondria
2
Q
What does a plant cell contain?
A
- Nucleus
- Cytoplasm
- Mitochondria
- Cell membrane
- Cell wall
- Vacuole
- Chloroplasts
3
Q
What is ‘differentaition’ ?
A
The process where a cell changes to become specialised for its job.
4
Q
What is diffusion?
A
The movement of particles from an area of high concentration to an area of low concentration until particles are evenlly distributed.
5
Q
What is osmosis?
A
Water particles diffuse from an area of high water concentration to low water concentration through a semi-permeable membrane.
6
Q
What is active transport?
A
The movement of molecules into or out of a cell from an area of low concentration to an area of high concentration.
