A)regulated by repression.
B)unregulated.
C)regulated by induction.
D)regulated by activation.
E)regulated by attenuation.

A)Assemble tRNA subunits.
B)Bind to activator proteins.
C)Attach the ribosomal subunits.
D)Identify the promoter region of a gene.
E)Release from the transcribed DNA.

A)when glucose and lactose are simultaneously added to the medium
B)when glucose is added to the medium
C)when lactose is added to the medium
D)when glucose and allolactose are simultaneously added to the medium
E)when lactose and allolactose are simultaneously added to the medium