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Chapter 4 Study Guide

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Chapter 4 Study Guide
Chapter four
1. What is cell theory?

2. What’s the four function of the plasma membrane?

3. What does SVR stand for and mean? Is it better for something to be smaller and multiple or bigger and singular?

4. What does prokaryotes have?

5. How do eukaryotes and prokaryotes differ?

6. What is the cell membrane? Endomembrane system?

7. List the steps in protein synthesis.
8. What is the cytoskeleton composed of? Give me definition for both.
9. What is a centrosome?
10. What is a kinesin motor? What does it transport?
11. What are cilia? Flagella?
12. What is the glycocalyx? Composed of?
13. What does ECM mean and what is mostly found there?
14. The cell wall is composed of? Where is it found and in what cells?
Chapter five
1. Why is the plasma membrane referred to as a fluid mosaic model?
2. What does it mean to be hydrophobic? Hydrophilic? Amphipathic? Give examples.
3. What functions can a lipid bilayer perform?
4. Four functions membrane proteins can do?
5. What do are the criteria a particle must have to simple diffuse through the lipid bilayer?
6. What’s the difference between facilitated diffusion and simple diffusion?
7. What’s osmosis?
8. What’s the meaning of hypertonic, hypotonic, isotonic? Give examples if a RBC (red blood cell) was place in each type of solutions.
9. What’s plasmolysis and turgor pressure?
10. Compare and contrast the active transport of the sodium and potassium pump and the sodium glucose co transport?
11. What’s endocytosis? Give two examples. Exocytosis?
12. What are gap junctions, tight junctions, plasmadesmata, adhering junctions, and desmosomes?
Chapter six
1. What are the four step in cell signaling?
2. What’s the paracrine system? Give some examples.
3. What are neurotransmitters?
4. What are hormones?
5. Tell me from start to finish what happens when a signaling molecule lands on an ion channel linked receptor? G-Protein? Enzyme linked receptor?
6. What’s a scaffolding protein?

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