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PHYS 1501 Chapter 3 Review Questions

PHYS 1501 Chapter 3 Review Questions - CHAPTER 19 THE...

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CHAPTER 3 Cells Multiple-Choice Choose the one alternative that best completes the statement or answers the question . 1. The plasma membrane consists of A) cellulose and carbohydrates. B) proteins mostly. C) entirely of phospholipids. D) phospholipids, proteins, and carbohydrates. E) carbohydrates and lipids. Answer: D Reference: Plasma Membrane Level of Difficulty: Medium 2. The cytoplasm is the term for 3. Which of the following statements are true for the plasma membrane? 4. The lipid bilayer is permeable to all of the following substances EXCEPT 5. Endocytosis is an example of A) excretion. B) passive transport. C) An active process D) facilitated diffusion. E) simple diffusion. Answer: C Reference: Transport Across the Plasma Membrane Level of Difficulty: Medium 6. Which of the following is necessary for diffusion to take place?
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7. A red blood cell placed in a hypotonic solution 8. An isotonic solution for human red blood cells is a 9. Pinocytosis and phagocytosis are a function of the A) cytoplasm. B) plasma membrane. C) ribosomes. D) mitochondria. E) cell nucleus. Answer: B Reference: Transport Across the Plasma Membrane Level of Difficulty: Medium 10. The movement of molecules from area of low concentration to an area of high concentration requires
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