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I am a little confused about how do we get the negative amount for cell membrane potential. Is it due to having more positive charges outside the cell? I ran to this problem b/c I did not get the answer to the following Q:
The extracellular K level has increased. What will happen to membrane potential.?
In the answers it is described that b/c the exterior k is more than interior so the K does not have to go out and so the membrane potential will become more positive.
But: is memrane potential only described relative to inside k ? isnt it differencr between out and in?if it is the difference, so when out has increased it mean we have less difference between in and out and so the membrane potential should increase.
I think I am confusing you all . Please help me. Thanks
The extracellular K level has increased. What will happen to membrane potential.?
In the answers it is described that b/c the exterior k is more than interior so the K does not have to go out and so the membrane potential will become more positive.
But: is memrane potential only described relative to inside k ? isnt it differencr between out and in?if it is the difference, so when out has increased it mean we have less difference between in and out and so the membrane potential should increase.
I think I am confusing you all . Please help me. Thanks