Which one of the following is the correct sequence of events that follows a threshold potential:
1. the membrane becomes depolarized
2. sodium channels open and sodium ions diffuse inward
3. the membrane becomes repolarized
4. potassium channels open and potassium ions diffuse outward while sodium is actively transported out of the cell
.
A. 3,2,4,1
B. 2,1,4,3
C. 2,1,3,4
D. 1,2,4,3
Select your answer:
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HNBS Intern › ViewThe vagal system includes the following, except:
A. VI cranial nerve
B. Cranial portion of XI cranial nerve
C. IX cranial nerve
D. X cranial nerve
Molecular Genetics Integrated Science › View
What is a stop codon?
A. signals the end of a growing polypeptide chain
B. signals the start of a polypeptide chain
C. signals the mutation in a polypeptide chain
D. signals an amino acid in a polypeptide chain