Biology questions.

Dear Students:

Please answer the following questions:

1.-What is endocytosis? Please give an example.

2.- What happens to a red blood cells if they are exposed to an hypertonic environment? Why ?

3.- What is the difference between passive and a active transport? Please give examples.

4.- What is a plasmodesmata?

5.- Please name and explain the different membrane proteins.

6.- What is pinocytosis ?

7.- Why is important the Na/K ATPasa pump? Is active or passive?