in the bacterium e. coli, in the absence of lactose, a repressor protein binds to the operator region of the dna, preventing the transcription of the genes of the lac operon.

Respuesta :

The lactose is an inducible, non-functional operon, which means that the genes are typically either translated or not.

What is lactose made of?

Lactose is a naturally occurring sugar found within milk and other dairy products such yogurt and ice cream. It is produced when two additional sugar, glucose and galactose, combine. The body converts lactose into these two sugars using an enzyme called lactase so that it may be digested.

What are the 4 types of lactose intolerance?

various forms of lactose intolerance The most prevalent form of lactose intolerance is primary, which develops as people age. secondary lactose intolerance (caused by disease or harm), Developmental lactose intolerance, or congenital lactose intolerance (having the condition from birth).

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