After an action potential is triggered, the rapid increase in membrane potential can be attributed to

A. the closing of sodium leak channels.
B. the direction reversal of the sodium/potassium pump.
C. the opening of the voltage-gated potassium channels.
D. the closing of potassium leak channels.
E. the opening of voltage-gated sodium channels.


Answer: E

Biology & Microbiology

You might also like to view...

The ________ and ________ domains of the class II MHC protein interact to form a peptide-binding site

A) B / T B) light / heavy C) C / V D) ?1 / ?1

Biology & Microbiology

Rubbing a substance on uncoated paper should reveal if it contains

(a) lipid. (b) carbohydrate. (c) protein. (d) sugar.

Biology & Microbiology

Which of the following are fetal membranes? (Check all that apply.)  

_____  chorion _____  endometrium _____  allantois _____  amnion _____  yolk sac

Biology & Microbiology

What distribution pattern is the most common

in the natural world? a. random b. uniform c. clumped d. stratified or layered e. homogeneous

Biology & Microbiology