Movement across cell membranes

1

What is diffusion?

2

Which of these three liquids has the highest water potential?

3

Which process is responsible for gas exchange in the lungs?

4

What will happen to cut fruit pieces sprinkled with sugar?

5

What is osmosis?

6

What happens to red blood cells when they are put into water?

7

Why do plant cells become flaccid in concentrated sugar solution?

8

Which process needs carrier proteins in the cell membrane?

9

Which process happens against a concentration gradient?

10

What happens to the rate of diffusion as the temperature increases?