Most neurons lack ________ and so are permanently blocked from undergoing cell division.
A) ribosomes
B) endoplasmic reticula
C) a nucleus
D) centrioles
E) cytoplasm
Question 2
The most common neuron of the nervous system is the
A) interneuron.
B) externoceptor.
C) bipolar neuron.
D) unipolar neuron.
E) microglial cell.