Dissolved substances Flashcards
0
Q
Is diffusion random?
A
Yes as it’s a natural tendency for particles to spread out
1
Q
What Is diffusion?
A
This is the spreading of particles from an area of high concentration to an area of low concentration
2
Q
Diffusion happens in what state of matter?
A
Solutions and gases as particles are free to move
3
Q
Diffusion is important for cells ( mitochondria )
A
This is as oxygen diffuses into the cell, aiding respiration, which takes place in the mitochondria
4
Q
The bigger the difference in concentration
A
The faster the rate of diffusion
5
Q
What type of molecules diffuse across the cell membrane?
A
Small molecules like oxygen, glucose and amino acids and water
6
Q
dissolved substances can move in and out of cells by what ?
A
Diffusion
