Action Potential

[ashaiello]

Hi,

 

I really need help answering the following, thanks:

 

When an action potential reaches the end of the A, the message it carries is converted from a/an B signal to a/an C signal in order for the message to be D to the next E.

 

 

 

 

The region called the A is made up of the B terminal, the C membrane region, and the small space between them known as theD. The E is an extremely small gap, about F nm. The G membrane contains specialised H to which the correct I substance can attach.

 

 

 

 

 

The membrane voltage during undershoot is: A

(select a logical membrane voltage value from this list: +60 mV; +50mV; +40m V; +30mV; +20nV; +10mV; 0mV; -10mV; -20mV; -30mV; -40mV; -50mV; -60mV; -65mV; -70mV; -75mV; -80mV; -85mV; -90mV)

The sodium driving force during undershoot is B mV; this is a C driving force; because D.

Sodium conductance during undershoot is E; because of F.

Sodium current during undershoot is G; because of H.

The potassium driving force during undershoot is I mV; this is a J driving force; because K.

Potassium conductance during undershoot is L; because M.

Potassium current during undershoot is N; because O.

Explain membrane potential changes: P.

(Describe the intensity of the driving force/conductance/current with one of the following phrases: zero; small; small/medium; medium; medium/large; large. Make sure you define the direction of the possible movement of the ion in you explanation.)

 

 

 

 

The membrane voltage during repolarising is: A

(select a logical membrane voltage value from this list: +60 mV; +50mV; +40m V; +30mV; +20nV; +10mV; 0mV; -10mV; -20mV; -30mV; -40mV; -50mV; -60mV; -65mV; -70mV; -75mV; -80mV; -85mV; -90mV)

The sodium driving force during repolarising is B mV; this is a C driving force; because D.

Sodium conductance during repolarising is E; because of F.

Sodium current during repolarising is G; because of H.

The potassium driving force during repolarising is I mV; this is a J driving force; because K.

Potassium conductance during repolarising is L; because M.

Potassium current during repolarising is N; because O.

Explain membrane potential changes: P.

(Describe the intensity of the driving force/conductance/current with one of the following phrases: zero; small; small/medium; medium; medium/large; large. Make sure you define the direction of the possible movement of the ion in you explanation.)

[andrewcellini]

what answers have you gotten so far? how did you come to them?