5 The Na+/K+ transporter displays the following properties A) it functions as an antiport, transporting K+ out of the cell against a concentration gradient using the energy from Na+ flowing down an electrochemical gradient into the cell B) it contributes to a positive resting membrane potential, by transporting out 3 Na+ ions for every two K+ ions it transports into the cell. C) it uses energy from ATP to generate electrochemical gradients of Na+ and K+ across the cell membrane D) its transporter action produces a K+ gradient across the plasma membrane that is used to produce action potentials in neurons.
5 The Na+/K+ transporter displays the following properties A) it functions as an antiport, transporting K+ out of the cell against a concentration gradient using the energy from Na+ flowing down an electrochemical gradient into the cell B) it contributes to a positive resting membrane potential, by transporting out 3 Na+ ions for every two K+ ions it transports into the cell. C) it uses energy from ATP to generate electrochemical gradients of Na+ and K+ across the cell membrane D) its transporter action produces a K+ gradient across the plasma membrane that is used to produce action potentials in neurons.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:1.5 The Na+/K+ transporter displays the following properties
A) it functions as an antiport, transporting K+ out of the cell against a concentration gradient
using the energy from Na+ flowing down an electrochemical gradient into the cell
B) it contributes to a positive resting membrane potential, by transporting out 3 Na+ ions for
every two K+ ions it transports into the cell.
C) it uses energy from ATP to generate electrochemical gradients of Na+ and K+ across the
cell membrane
D) its transporter action produces a K+ gradient across the plasma membrane that is used to
produce action potentials in neurons.
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