The nucleus of a neuron is the organelle found inside the soma (cell body) that contains the genetic material (DNA).3 people found this useful. Edit. Share to: 1  Shining a Light on Addiction The National Institute on Drug Abuse (NIDA) says that about 1.4 million U.S. citizens are addicted to cocaine. neuron is the basic unit of structure and function in the nervous  system. The neurons function is to conduct electrochemical  impulses.