The cell produces proteins by process called translation. Proteins the moved to endoplasmic and later on they are releases by exocytosis.
So In biology, a mutation is an alteration in the nucleotide sequence of the genome of an organism. So what would you look up that interests you
Hope This helps!!!
Answer:
A
Explanation:
I stuided this last year and what I found out was the nerves send a message to the brain and I forgot why the spinal cord is in there but I just know it is.