Diffusion Flashcards
1
Q
What is diffusion
A
The spreading out of molecules from an area of high concentration to an area of low contraction
2
Q
Which molecules can diffusion though cell membranes
A
Oxygen
Glucose
Amino acids
Water
3
Q
Cells need oxygen to release energy in ……
A
Respiration
4
Q
The oxygen gets into the cell by …..
A
Diffusion
5
Q
Fast respiring cells mean …..
A
Absorbed molecules get used up quickly
Big difference in concentration
6
Q
Slow respiring cells mean that ….
A
Molecules get used slower
Smaller difference in concentration
7
Q
The bigger the concentration difference ….
A
The faster the rate of diffusion
