different membrane proteins

Dear Students:

Please answer the following questions:

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

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

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

4.- What is a plasmodesma?

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?

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