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Chapter 2 - ANS 215 ANATOMY AND PHYSIOLOGY OF DOMESTIC...

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ANS 215 ANATOMY AND PHYSIOLOGY OF DOMESTIC ANIMALS STUDY GUIDE CHAPTER TWO I. Physiochemical Properties of Solutions A. What parts of a cell membrane (protein or lipids) account for the diffusion of water-soluble substances? What parts are considered to be pores? i. Lipids account for the diffusion of water soluble substances ii. Protein channels are the pores B. How does facilitated diffusion differ from simple diffusion? i. Requires a carrier whereas simple doesn’t C. How does active transport differ from facilitated transport? i. Facilitate transport may or may not require energy, active transport does D. How do semipermeable membranes differ from selectively permeable membranes? i. Semipermeable (cell membrane is semipermeable) ii. Selectively only allow certain molecules E. Solution A and solution B are placed on opposite sides of a semipermeable membrane. The volume of solution B increases. Which solution has the greater osmotic pressure? i. B because it’s pulling water into it F. Solution 1 has an effective osmotic pressure greater than solution 2. Which solution (1 or 2) has the greater tone?
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