Cells- Diffusion and Osmosis Flashcards
1
Q
What is the meaning of diffusion?
A
The spreading out of particles from an area of high concentration to an area of low concentration.
2
Q
The higher the concentration gradient.
Higher temperature.
using a fan.
A
what makes the rate of diffusion faster?
3
Q
What molecules can fit through the cell membranes without the need of enzymes?
A
Amino acids and glucose.
4
Q
The meaning of osmosis?
A
Is the movement of water molecules across a partially permeable membrane from a region of higher water concentration to a region of lower water concentration.
5
Q
What is the experiment to test osmosis?
A
Using a potato and adding different levels of water concentration to it.
