Homework 2

1. What feature makes a eukaryotic cell a "true" cell?

2. Compare the functions of mitochondria and chloroplasts.

3. What organelle could be compared to the "control center" of an assembly line in a factory?

4. What are some organelles that contain internal compartmentalizations? How do internal compartments assist in the functioning of the organelle?

5. Cells of many protists, plants, and fungi, but not animals, commonly have _______ _______.

6. List the tasks that a cell must do.

7. Explain The first and second laws of thermodynamics.

8. What is life’s primary source of energy?

9. How is the cell able to import and export materials through the selectively permeable plasma membrane?

10. In what ways do prokaryotic cells have an advantage over eukaryotic cells in the battle for survival?

11. What happens when a living cell is immersed into a hypotonic solution?

12. Define osmosis. What can affect the rate of diffusion?