B4.1-Cell biology Flashcards
1
Q
What is the role of a ribosome in the cell?
A
Protein synthesis (making proteins)
2
Q
What is the role of the mitochondria in the cell?
A
Mitochondria are the sight of respiration where energy is released
3
Q
What is the role of cell wall in plant and algal cells?
A
The cell wall is made of cellulose which strengthens the cell
4
Q
State 3 differences between plant and animal cells.
A
- Plant cells have a cell wall and animal cells don’t.
- Plant cells have chloroplasts and animal cells don’t.
- Plant cells have a central vacuole and animal cells don’t.
5
Q
What is diffusion?
A
Diffusion is the spreading out of particles from a high concentration to a low concentration.
6
Q
What is osmosis?
A
Osmosis is the diffusion of water from a dilute solution (with a high concentration of water) to a concentrated solution (with a low concentration of water), through a partially permeable membrane.
