6. The Membrane
Active Transport
Multiple Choice
Multiple ChoiceWhich of the following correctly describes a general property of all electrogenic pumps?
A
Electrogenic pumps pump sodium out of the cell and potassium into the cell.
B
Electrogenic pumps can pump a large variety of solutes across a membrane against their concentration gradient.
C
Electrogenic pumps result in a cell with an interior that is positively charged relative to the outside the cell.
D
Electrogenic pumps result in a cell with a high internal concentration of protons.
E
Electrogenic pumps create a voltage difference across the membrane.
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