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+ =
- Charge of k is
- Cosentration gradient is :-
- 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
24
6
Q
Driving force :-
Formula :-
If driving force is -ve :-
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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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