The promotion of the lac operon in bacteria is ________________________.

A. activated by a repressor protein
B. dependent on lactose concentration
C. dependent on glucose concentration
D. regulated by RNA polymerase
E. regulated by mRNA


Answer: B

Biology & Microbiology

You might also like to view...

The last case of naturally contracted smallpox occurred in

A. 1900. B. 1950. C. 1965. D. 1977. E. 1989.

Biology & Microbiology

The retroviruses, including HIV, are unique because they use

A) replication. B) reverse transcription. C) splicing. D) reverse translation. E) posttranslational modification.

Biology & Microbiology

Saccharomyces cerevisiae, which is used to make bread rise and to ferment grains, is a(n):

1.Ascomycete 2.Basidiomycete 3.Chytrid 4.Zygomycete

Biology & Microbiology

Bacteriophage T4 blocks transcription of host genes using an enzyme that transfers an ________ from NAD onto the alpha subunit of RNA polymerase.

What will be an ideal response?

Biology & Microbiology