Question

A set of genes whose transcription is regulated by an operator gene is called a(n) _______.

Answer 1

operon is the answer

Answer 2

Operon

Step-by-step explanation:

Operons are found in bacteria and viruses, they are made up of structural genes that make enzymes that are responsible of the catalysis of metabolic pathways. Operons regulate protein synthesis, that is protein is only made when the cell need it.