Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN: 9781285866932
Author: Lauralee Sherwood
Publisher: Cengage Learning
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Chapter 3.4, Problem 3CYU
Summary Introduction
To draw:
The relative volume of a cell surrounded by an isotonic, a hypotonic, and a hypertonic solution.
Introduction:
Osmosis can be defined as a process by which the solvent molecules can pass across a semipermeable membrane from the region of its high concentration to the low concentration.
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Chapter 3 Solutions
Human Physiology: From Cells to Systems (MindTap Course List)
Ch. 3.1 - Draw how phospholipid molecules align themselves...Ch. 3.1 - Prob. 2CYUCh. 3.1 - Prob. 3CYUCh. 3.2 - Prob. 1CYUCh. 3.2 - Prob. 2CYUCh. 3.2 - Prob. 3CYUCh. 3.3 - Prob. 1CYUCh. 3.3 - Distinguish between passive and active forces that...Ch. 3.4 - List the means of unassisted membrane transport.Ch. 3.4 - Prob. 2CYU
Ch. 3.4 - Prob. 3CYUCh. 3.5 - Draw a graph comparing simple diffusion down a...Ch. 3.5 - Describe what causes the carrier to change shape...Ch. 3.5 - Distinguish between symport and antiport.Ch. 3.6 - Prob. 1CYUCh. 3.6 - Describe the relative contributions of k+ and Na+...Ch. 3.6 - Prob. 3CYUCh. 3 - The nonpolar tails of the phospholipid molecules...Ch. 3 - Prob. 2RECh. 3 - Prob. 3RECh. 3 - At resting membrane potential, there is a slight...Ch. 3 - Using the answer code on the right, indicate which...Ch. 3 - Prob. 6RECh. 3 - Prob. 7RECh. 3 - Prob. 1UCCh. 3 - Prob. 2UCCh. 3 - What two properties of a particle influence...Ch. 3 - Prob. 4UCCh. 3 - Prob. 5UCCh. 3 - Prob. 6UCCh. 3 - Describe the contribution of each of the following...Ch. 3 - Using the Nernst equation, calculate the...Ch. 3 - One of the important uses of the Nernst equation...Ch. 3 - Using the Goldman-Hodgkin-Katz equation, determine...Ch. 3 - When William H. was helping victims after a...Ch. 3 - Which of the following methods of transport is...Ch. 3 - Assume that a membrane permeable to Na+ but not to...Ch. 3 - A solution may have the same osmolarity as normal...Ch. 3 - Prob. 4TAHLCh. 3 - Prob. 5TAHL
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- Why is it advantageous for the cell membrane to be fluid in nature?arrow_forwardAll of the following are passive membrane transport processes except: (a) diffusion. (b) facilitated diffusion. (c) vesicular transport. (d) osmosis.arrow_forwardTwo NaCl solutions, Solution A and Solution B, are separated by a selectively permeable membrane. You observe that the movement of solvent is from Solution B to Solution A. Which solution initially had the higher salt concentration? Question 2 options: a) solution A b) solution B c) Neitherarrow_forward
- The intracellular salt content of a red blood cell is about 150 mM. The cell is put in a 500 mM salt beaker. (a) Describe what will happen to the cell in terms of osmosis if the cell membrane is permeable to water but not to ions. (b) Which direction would solutes diff use if the membrane was permeable to ions: into or out of the cell?arrow_forwardFactors that affect the rate of diffusion through a membrane include all of the following EXCEPT: a)membrane surface area. b) molecular weight. c) availability of energy. d) steepness of concentration gradient.arrow_forwardWhich of the following is true of exocytosis, but not true of facilitated diffusion? Select all that apply. A) Involves transport vesicles B) May be used to move a hydrophilic substance to the other side of the membrane C) Requires energy D) Always moves a substance down its concentration gradient E) Always results in a substance exiting from the cell .arrow_forward
- Among the statements a, b and c, which is/are false? a) Endocytosis is the formation of vacuoles by the plasma membrane for the purpose oftransport inside the cell a small content of extracellular fluid. b) Exocytosis is the formation of vacuoles by the plasma membrane for the purpose oftransport a small amount of intracellular fluid out of the cell. c) Pinocytosis is a form of endocytosis. d) All of these statements are false. e) None of these statements is false.arrow_forwardIf two solutions separated by a semi-permeable membrane are isotonic, can you conclude that they are in chemical equilibrium?arrow_forwardA blood cell with a 2% internal solute concentration is placed in a solution that has a 0.2% solute concentration. The solute is impermeable to the plasma membrane. How would you classify the solution compared to the cell – hypotonic, hypertonic or isotonic? Why? (2 pts.) B) Will the solutes move across the membrane? Why or why not? C) What type of transport would occur in this situation – diffusion, facilitated diffusion, osmosis, active transport or bulk transport. Explain. D) What would happen if the cell began to produce a new membrane protein that allowed the solutes to freely move in across the membrane? ould this change your answer to Part C? Explain.arrow_forward
- Receptor mediated endocytosis requires the presence of O a) carrier proteins that move molecules across the membrane into the cytosol. b) primary active transport pumps. c) specialized proteins on the membrane surface.arrow_forwardYou have two types of cells (animal cells and plant cells) that you will place in a variety of conditions. Please describe what would happen to each of those two cells in the following solutions, i) isotonic solution; ii) hypertonic solution; iii) hypotonic solution.arrow_forwardA red blood cell with an intracellular fluid (ICF) concentration of 280 mmol/L, is placed into an environment were the concentration of the extracellular fluid (ECF) is 305 mmol/L. As a result, water will move across the cell/plasma membrane. a) Name the process by which water moves b) Describe the overall direction of movement of the water. Answer choices: (i) From outside the cell to inside the cell (ii) From inside the cell to outside the cell, or (iii) Equally, into and out of the cell iii Explain your reasoning for your answer to part (c). 1In your answer you must describe the environment on both sides of the membrane, and use 3 of the following 4 terms correctly; hypertonic, hypotonic, lower solute concentration, higher solute concentrationn (2pts -Correct use of biological terminology, and correct spelling is essential. Edit View Insert Format Tools Table 12pt v Paragraph BIUA ...arrow_forward
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