question_answer

Which one of the following statements is correct?

i. A neuron cell does not contain mitochondria and endoplasmic reticulum.

ii. Dendrites arise from the cell body of a neuron.

iii. Nerve impulses pass along a neuron in one direction only.

iv. The axon of a neuron has no covering.

v. The neurons carry message in the form of electric signals called nerve impulses.

A) i and ii

B) ii, iii and iv

C)  i, iv and v

D)  ii, iii and v

E)  None of these