Unit+3+Practice+quiz+questions

Homeostasis and Transport

1. Provide an example of a life factor that must be regulated by a cell. Then, provide a different example of a life factor that must be regulated by a human (large organism).

2. Explain dynamic equilibrium.

3. List three parts of the plasma membrane and identify if they are carb, protein, lipid or nucleic acid.

4. Choose one type of passive transport. Identify what is transported and how it makes it through the membrane.

5. Choose one type of active transport. Identify what is transported and how it makes it through the membrane.

6. How are proteins transported from ER to Golgi? Include how proteins are leaving and entering each organelle.

7. If a cell is no longer alive, which processes can still occur (due to their influence of nature)?

8. Carbohydrates have an important function on cell membranes. Why is it important that carbohydrates distinguish one cell from another?

9. Identify a homeostatic mechanism and the factor that it controls.

10. Why do protein pumps require ATP to function?