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Secondary Active Transport

View the animation below, then complete the quiz to test your knowledge of the concept.






1In human systems...
A)sodium has a higher concentration in the intracellular fluid of the cell.
B)sodium has a higher concentration in the extracellular fluid of the cell.
C)sodium maintains equilibrium between both sides of the cell membrane.
D)sodium is found as an integral part of the cell membrane.
E)sodium is a carrier molecule in the cell membrane.



2Sodium will easily...
A)diffuse from the extracellular fluid to the intracellular fluid.
B)diffuse from the intracellular fluid to the extracellular fluid.
C)be actively transported from the extracellular fluid to the intracellular fluid.
D)be actively transported from the intracellular fluid to the extracellular fluid.
E)maintain equilibrium via the sodium-potassium pump.



3Due to these characteristics of sodium...
A)as the sodium maintains equilibrium, this allows other molecules to move into and out of the cell.
B)as sodium is actively transported out of the cell, it brings other molecules with it.
C)as sodium is actively transported into the cell, it brings other molecules with it.
D)as the sodium diffuses out of the cell, it brings other molecules with it.
E)as the sodium diffuses into the cell, it brings other molecules with it.



4Unlike primary active transport, secondary active transport does not require an ATP molecule to function.
A)True
B)False



5Unlike primary active transport, secondary active transport does not require a specialized structure for cell membrane transport.
A)True
B)False







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