Principles of Human Physiology, Books a la Carte Plus Mastering A&P with Pearson eText -- Access Card Package (6th Edition)
6th Edition
ISBN: 9780134428970
Author: Cindy L. Stanfield
Publisher: PEARSON
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Textbook Question
Chapter 4.1, Problem 4.2.2QC
Assume that sodium and calcium ions are being transported through a given cell membrane. For which ion— Na+ or Ca2+ —is the electrical driving force larger? Explain.
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If the equilibrium potential for K* is -90mV, and the charge inside the cell is -70mV, which direction will K move across the membrane assuming there is permeability (membrane leak channels) which allow it to pass?
Calculate the equilibrium membrane potentials to be expected across a membrane at 37 ∘C, with a NaCl concentration of 0.50 M on the "right side" and 0.08 M on the "left side", given the following conditions. In each case, state which side is (+) and which is (−).
Membrane equally permeable to both ions.
Use the Goldman Equation to calculate the resting membrane potential at 37°C for each case:
Chapter 4 Solutions
Principles of Human Physiology, Books a la Carte Plus Mastering A&P with Pearson eText -- Access Card Package (6th Edition)
Ch. 4.1 - What is the difference between passive transport...Ch. 4.1 - Prob. 4.1.2QCCh. 4.1 - Prob. 4.1.3QCCh. 4.1 - Determine the direction of the electrical driving...Ch. 4.1 - Assume that sodium and calcium ions are being...Ch. 4.1 - Refer to Table 4.1 for intracellular and...Ch. 4.3 - In simple diffusion, do individual molecules...Ch. 4.3 - Prob. 4.3.2QCCh. 4.3 - Prob. 4.3.3QCCh. 4.3 - What is the difference between a channel and a...
Ch. 4.3 - Prob. 4.4.2QCCh. 4.3 - Prob. 4.4.3QCCh. 4.4 - Prob. 4.5.1QCCh. 4.4 - Prob. 4.5.2QCCh. 4.4 - Prob. 4.5.3QCCh. 4.6 - Name the three types of endocytosis. Which type(s)...Ch. 4.6 - Prob. 4.6.2QCCh. 4.7 - Prob. 4.7.1QCCh. 4.7 - Prob. 4.7.2QCCh. 4.7 - Prob. 1CTQCh. 4.7 - Prob. 2CTQCh. 4.7 - Prob. 3CTQCh. 4 - Prob. 1ECh. 4 - Prob. 2ECh. 4 - Prob. 3ECh. 4 - Prob. 4ECh. 4 - Prob. 5ECh. 4 - Prob. 6ECh. 4 - Prob. 7ECh. 4 - Movement of Na+ in sodium-linked glucose...Ch. 4 - Prob. 9ECh. 4 - Prob. 10ECh. 4 - Which of the following transport mechanisms...Ch. 4 - Substances that cross cell membranes by simple...Ch. 4 - Prob. 13ECh. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - Prob. 16ECh. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Describe the various factors that determine...Ch. 4 - Explain the mechanism of glucose absorption by...Ch. 4 - Prob. 21ECh. 4 - Prob. 22ECh. 4 - Prob. 23ECh. 4 - Prob. 24ECh. 4 - Prob. 25ECh. 4 - Prob. 26ECh. 4 - Prob. 27E
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