5. Membrane Potential Flashcards

1
Q
RESTING MEMBRANE POTENTIAL 
K+ is dominantly present in :- 
Diffusion of k+ is from :- 
At rest , Inside of cell is more :- 
RMP of most of cell is :- 
RMP of neutron is :- 
Cause of RMP is :- 

Diffusion potential of K+ =

  1. Charge of k is
  2. Cosentration gradient is :-
  3. Permeability:-
A

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2
Q

Restless membrane potential :-
I.e unstable values :-

RMP is oscillating btw :- 
Seen in all :- 
Examples :- 
1. 
2. 
3.
A

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3
Q

EQUILLIBRIUM POTENTIAL

By Concentration gradient :-
By Electrical gradient :-

If k+ conc gradient = electrical gradient :-
This state is called :-

At equilibrium potential :-
Aka :- iso electric potential

A

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4
Q
Equilibrium potential / iso electric potential 
I.e ( no mov ) 
For 
Na :- 
Ca :- 
K :- 
Cl :- 
RMP OF Neuron =. =
A

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5
Q

NERNST EQUATION
used to calculate :-
Formula :-

GOLDMANS EQUATION 
Used to calculate :- 
Takes in consideration :- 
It states :- 
Na permeability is more during :- 
K permeability is more during :-
A

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6
Q

Driving force :-
Formula :-
If driving force is -ve :-

A

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7
Q
GIBBS DONNAN EFFECT 
Protin anion has which. charge :- 
Can’t move :- 
Image :- 
This affects :- 

Due to GD effect
1.
2.
3.

A

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