What Is Thought to Cause the 1 Ms Inactive Time

question 32

Multiple Choice

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