Indicate whether each statement is true or false. The proton pump moves hydrogen ions down their electrochemical gradient. The membrane potential of this cell would favor the transport of anions into the cell. 1. True Hydrogen ions are passively transported back into the cell. 2. False Sucrose entering the cell is moving against its concentration gradient. The proton pump moves hydrogen ions down their concentration gradient. > > >
Indicate whether each statement is true or false. The proton pump moves hydrogen ions down their electrochemical gradient. The membrane potential of this cell would favor the transport of anions into the cell. 1. True Hydrogen ions are passively transported back into the cell. 2. False Sucrose entering the cell is moving against its concentration gradient. The proton pump moves hydrogen ions down their concentration gradient. > > >
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:The figure below shows the cotransport of hydrogen ions and sucrose across a cell
membrane.
Sucrose
Sucrose
H*/sucrose
cotransporter
Diffusion of H*
H
(H+)
H
H)
(H+)
H
Proton pump
H
H+
ATP
Transcribed Image Text:Indicate whether each statement is true or false.
The proton pump moves
hydrogen ions down their
electrochemical gradient.
The membrane potential of
this cell would favor the
transport of anions into the
cell.
1. True
Hydrogen ions are
passively transported back
into the cell.
2. False
Sucrose entering the cell is
moving against its
concentration gradient.
The proton pump moves
hydrogen ions down their
concentration gradient.
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