What is thought to cause the 1 ms inactive time after a sodium channel initiates an action potential?
A)a higher positive charge
B)a higher negative charge
C)the presence of an inactivating peptide in the opening of the channel pore
D)removal of a peptide from the channel protein
E)covalent addition of a peptide to the cytoplasmic end of the channel protein

Question

Quizplus · Accepted Answer

The presence of an inactivating peptide in the opening of the channel pore is thought to cause the 1 ms inactive time after a sodium channel initiates an action potential. This peptide blocks the pore, preventing the flow of sodium ions, until it is released after a brief period of time.

What Is Thought to Cause the 1 Ms Inactive Time