Why is the sodium-potassium exchange pump said to be electrogenic?
A) Because it transports the same number of positively charged ions in and out of the cell membrane
B) Because it transports unequal numbers of sodium and potassium ions across the membrane
C) Because ion binding requires a change in membrane potential
D) Because ion transport can only be triggered by electrical stimuli
E) Because it has an electroneutral stoichiometry
Correct Answer:
Verified
Q1: Unlike secondary active transport, primary active transport
A)
Q2: In the absence of transport mechanisms, ions
Q3: What drives primary active transport?
A) Ion exchange
B)
Q4: What drives secondary active transport?
A) Metabolic energy
B)
Q6: What is the first event for ion
Q7: How does the sequence of events underlying
Q8: How does rise in intracellular sodium concentration
Q9: What is one of the main functional
Q10: What is one of the main functional
Q11: Which intracellular organelles contribute to return the
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