Osmosis results + RP (P1) Flashcards
1
Q
What happens when you put a plant cell in a hypotonic solution?
A
The cell expands because it has absorbed water, it becomes turgid
2
Q
What happens when you put a planet cell in an isotonic solution?
A
The cell stays the same
3
Q
What happens when you put a plant cell in a hypertonic solution?
A
It becomes flaccid because water leaves the cell
4
Q
What happens when you put an animal cell in a hypotonic solution?
A
Some of the cells could burst which could be a cause of death
5
Q
What happens when you put an animal cell in an isotonic solution?
A
It stays the same because no water has entered or exited the cells
6
Q
What happens when you put an animal cell in a hypertonic solution?
A
Some of the cells could shrivel up and it could be a cause of death
7
Q
RP method
A
- Use a potato corer to make cylinders of potato and cut to equal lengths
- Measure the mass of each
- Add it to 10cm3 different concentrations of solution 1 1mol 1 0.5mol and one pure water
- Leave it overnight
- Work out the percentage change of mass
