Calculate the resting membrane potential

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Question1... What types of channels contribute the mose to the resting potential of neuron?

Question 2...The following table gives you the concentration of ions in the intracellular and extracellular space surrounding the nervous system of a novel animal. For this situation, assume the permeability ratio of Na+/K+ or b=5.

a.  Where would you expect the resting membrane potential (V r) to be and why?

b.  What equation can you use to calculate the resting membrane potential and why?

C. Calculate the resting membrane potential?

D.  How would you get Vr to be closer to -70 mV?                                        

  

Ion

  
  

Intracellular fluid concentration (mM)

  
  

Extracellular fluid concentration (mM)

  
  

Permeability

  
  

Na+

  
  

20

  
  

110

  
  

Yes

  
  

K+

  
  

100

  
  

10

  
  

Yes

  
  

Cl-

  
  

150

  
  

10

  
  

No

  
  

A-inside/B- outside

  
  

50

  
  

50

  
  

no

 

 

 

 

 

Reference no: EM1392964

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