Can someone please help me with this question? If you can, could you explain it to me in your answer? Thanks.

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.