Schwann cells are a type of neuroglia located outside of the brain.
Answer the following statement true (T) or false (F)
True
Outside of the brain, Schwann cells are the type of neuroglia that encircle long nerve fibers and form a myelin sheath.
You might also like to view...
Four of the five answers below pertain to smooth muscle. Select the exception
a. voluntary b. tapered cells with a single nucleus c. found in the walls of blood vessels d. found in the walls of the digestive tract e. not striated
Some aquatic invertebrates, such as lobsters and crabs, have ____, which are filamentous or platelike respiratory organs that increase the surface area available for gas exchange with water.
A. book lungs B. a tracheal system C. gills D. a siphon E. villi
In eukaryotic cells, the structure primarily responsible for the adherence of cells to surfaces in the environment and the formation of biofilms is the
A. glycocalyx. B. cilia. C. cell membrane. D. flagella. E. cell wall.
What would be the frequency of pink flowers in a population where the allele frequency of CR is 0.4 and the population is in Hardy-Weinberg equilibrium? Assume that CR CR is red, CRCW is pink, and CwCw is white.
A. 0.16 or 16% B. 0.2 or 20% C. 0.8 or 80% D. 0.04 or 4% E. 0.48 or 48%