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Set 2 6 Active Transport Pumps And Exchangers

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Question 1

(Multiple Choice)

Free
An example of a primary active transport mechanism is

A) SGLT-1
B) NHE
C) NCX
D) SERCA
E) NIS

Answer

Question 2

(Multiple Choice)

Free
Secondary active transport mechanisms

A) Hydrolyze ATP
B) Couple movement of one material down its electrochemical gradient with another solute moving up its electrochemical gradient
C) Cannot concentrate solutes
D) Are facilitated diffusion mechanisms
E) Are not saturable

Answer

Question 3

(Multiple Choice)

Free
The stoichiometry of the Na ,K- AT Pase is

A) 3 Na+ ions are pumped into the cell with 2 K+ ions being pumped out
B) 3 Na+ ions move in and 1 Ca2+ ion moves out
C) 1 Na+ ion m ov es ou t with eve y K+ ion tha t moves in
D) 3 Na+ ions are pumped out of the cell with 2 K+ ion s be ing pu m pe d in
E) 3 Na+ ions are pumped out of the cell with each K+ ion being
pumped in

Answer