Functionally speaking, a nerve impulse is
a. a flow of electrons along the outside of the
plasma membrane of a neuron.
b. the movement of cytoplasmic elements through
the core of the neuron.
c. a series of changes in membrane potential.
d. a lengthening and shortening of the membrane
extensions of a neuron.
e. a turning on and off of the sodium-potassium
pumps of a neuron.
Answer: c
You might also like to view...
Which amoung these explains the relationship between the magnification of the lens and working distance of a microscope?
A. As the magnification of the lens increases, working distance decreases. B.As the magnification of the lens increases, working distance increases. C.As the magnification of the lens decreases, working distance decreases. D. They are not related to each other
The ________ is the site in long bones that stores fatty tissue used for energy
Fill in the blank(s) with correct word
If orange juice has a pH of 4, then it can be described as
A. having a H+ concentration of 4. B. an alkaline solution. C. an acidic solution with a H+ concentration of 4. D. an acidic solution. E. None of these choices are correct.
Plasmids
A. are found in all bacteria. B. are essential for survival. C. cannot be passed between organisms. D. cannot be passed on to progeny. E. are often the site of pathogenic genes.