A 69-year-old Fond du Lac man suffered serious but non-life-threatening injuries after he crashed his snowmobile into a tree ...

The genes lacZ, lacY and lacA are transcribed from a single promoter (P) that produces a single mRNA from which the three proteins are translated. The operon is regulated by Lac repressor, the product ...

The lac operon genes are expressed to digest the available lactose until this sugar is depleted, at which point the operon shuts down. However, the lac operon was far from solved. “ [It] turned out ...