Question 11 pts What two ions are responsible for establishing an equilibrium be

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Question 11 pts

What two ions are responsible for establishing an equilibrium between the electrical and chemical gradients?

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Question 21 pts

The Nernst potential equation depends on:

Select all that apply.

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Question 31 pts

The membrane potential seeks the equilibrium potential of the ion whose permeability is dominant.

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Question 41 pts

Match the term on the left with the term on the right. Use each answer only once.

Sodium

      [ Choose ]            Ball and chain            Leaky channels            VG channels      

Potassium

      [ Choose ]            Ball and chain            Leaky channels            VG channels      

Channels

      [ Choose ]            Ball and chain            Leaky channels            VG channels      

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Question 51 pts

***This is an example of a test question***

The diagram we drew at the end of class showed the generation of an action potential. What are the characteristics of an action potential?

Explanation / Answer

Question 11 pts

What two ions are responsible for establishing an equilibrium between the electrical and chemical gradients?

Answer- Anion and potassium

Anion equilibrium by negative charges ion entry into the cell where potassium goes outside when sodium ions come in.

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Question 21 pts

The Nernst potential equation depends on:

Select all that apply.

Answer-

The concentration of ions inside the cell.

The concentration of ions outside the cell.

Question 31 pts

The membrane potential seeks the equilibrium potential of the ion whose permeability is dominant.

Answer- True

Question 41 pts

Match the term on the left with the term on the right. Use each answer only once.

Answer-

Channels Ball and chain            Leaky channels            VG channels

The leak channels allow Na+ and K+to move across the cell membrane down their gradients.

Question 51 pts

***This is an example of a test question***

The diagram we drew at the end of class showed the generation of an action potential. What are the characteristics of an action potential?

Answer- e. answers a and c are correct

voltage-gated channels and threshold show action potential.

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