You are going to record RMP from a cell using an electrode. You place your electrode and record a resting membrane potential every millisecond. You record an initial value of -70mV; however, over time you notice that your recordings become more and more positive until the RMP reaches 0mV. Assuming that Na+ and K+ are the major determinants of RMP in this cell, which of the following could best explain your results?

Here is the answer for the question – You are going to record RMP from a cell using an electrode. You place your electrode and record a resting membrane potential every millisecond. You record an initial value of -70mV; however, over time you notice that your recordings become more and more positive until the RMP reaches 0mV. Assuming that Na+ and K+ are the major determinants of RMP in this cell, which of the following could best explain your results?. You’ll find the correct answer below

You are going to record RMP from a cell using an electrode. You place your electrode and record a resting membrane potential every millisecond. You record an initial value of -70mV; however, over time you notice that your recordings become more and more positive until the RMP reaches 0mV. Assuming that Na+ and K+ are the major determinants of RMP in this cell, which of the following could best explain your results?
A. The cell’s Na+−K+ ATPase pumps have stopped functioning.

B. The cell is becoming depleted of K+.

C. The cell’s Na+ leak channels have stopped functioning.

D. The cell’s K+ leak channels have stopped functioning.

E. The cell is becoming depleted of Na+.

The Correct Answer is

A. The cell’s Na+−K+ ATPase pumps have stopped functioning.

Reason Explained

A. The cell’s Na+−K+ ATPase pumps have stopped functioning. is correct for You are going to record RMP from a cell using an electrode. You place your electrode and record a resting membrane potential every millisecond. You record an initial value of -70mV; however, over time you notice that your recordings become more and more positive until the RMP reaches 0mV. Assuming that Na+ and K+ are the major determinants of RMP in this cell, which of the following could best explain your results?

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