Question

In E. coli cells, maltose, a type of sugar, is needed to turn on the genes that are regulated by the mal operon. This type of regulation is called(1 point)
Responses

repressor control.
repressor control.

operon control.
operon control.

positive control.
positive control.

negative control.

Answer 1

The type of regulation involving the mal operon in E. coli, where maltose turns on the genes, is called **positive control**. In this form of regulation, a molecule (in this case, maltose) is required to activate the expression of the operon.