the peice of DNA that overlaps the promoter site and serves as the off-on switch is called
a unit of gene regulation and transcription in bacterial DNA that consits of a promoter, and operator, and one or more structural genes
the operon that contols the motabolism of lactose
a protein that binds to an opertor and physically blocks RNA polymerase from bonding to a promoter site.
long secments of nucleotides that have no coding formation
the portions of a gene that are translated into proteins
a single nucleotides changes