When a neuron is at rest, what is its electrical charge?
a) -80 millivolts
b) +70 millivolts
c) -70 millivolts
d) +50 millivolts
e) -60 millivolts
Question 2
The sodium-potassium pump
a) exchanges three Na+ ions inside the cell for two K+ ions that are outside the cell.
b) exchanges three K+ ions inside the cell for two Na+ ions that are outside the cell.
c) exchanges two Na+ ions inside the cell for three K+ ions that are outside the cell.
d) exchanges two K+ ions inside the cell for every three Na+ ions that are outside the cell.
e) exchanges two K+ ions inside the cell for every two Na+ ions that are outside the cell.
(A) The structure of a neuron, showing the dendrites, nerve cell body, and axon. (B) Photomicrograph
Neuron from Chicken embryo
The Principal Internal Structures of a Multipolar Neuron
In the three-neuron reflex arc
A racing car accelerates uniformly from rest along a straight track. This track has markers ...
A Golgi-stained neuron