Glial cells function to
a. conduct electrical impulses.
b. support and nourish neurons.
c. secrete collagen fibers into the extracellular matrix.
d. release secretions on to a free surface.
e. move ions across the cell membrane.
B
You might also like to view...
Most Swiss starlings produce four to five eggs in each clutch. Starlings producing fewer or more than this have reduced fitness. Which of the following terms best describes this situation?
A) artificial selection B) directional selection C) stabilizing selection D) disruptive selection E) sexual selection
Multifactorial traits include
A) only polygenic traits. B) neither single gene nor polygenic traits. C) both single gene and polygenic traits. D) only traits that have no genetic cause.
A _________ is a surgical procedure that allows breathing from an incision in the trachea.
a. true b. false
A degenerative brain disorder transmitted by cannibalism is called ________
A) kuru B) scrapie C) Creutzfeldt-Jakob disease D) herpes