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Unformatted text preview: Bio 1A – Study Questions, Cell structure Please remember that these are questions to help you organize the material. For the exam, you are responsible for all of the topics covered in the lecture and in the assigned chapters/pages of the textbook. Please work through the problems in the textbook to test yourself as you study. 1. How are biological membranes organized? 2. What is the difference between active and passive transport? Is a molecule moves against its concentration gradient, is it likely to be passively or actively transported? 3. How do endocytosis and exocytosis differ? 4. Describe the differences between a bacterial cell and a human cell. To which domain of life does each belong? 5. What cellular components are part of the endomembrane system? 6. Describe the functions of the cell nucleus, plasma membrane, ribosomes, mitochondria, smooth and rough ER, Golgi and lysosomes. 7. How do plant and animal cells differ? 8. What do peroxisomes do? 9. What are chloroplasts and what is their function in plant cells? 10. What are the 3 kinds of fibers found in the cytoskeleton? 11. What kinds of molecules are responsible for muscle contraction? 12. What happens in the nucleolus? 13. How do integral membrane proteins differ from peripheral membrane proteins? 14. What are the structures that organize microtubules in the cytoskeleton? ...
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- Spring '08