Which of the following statements about the Lac operon is false?
(a) The Lac repressor binds when lactose is present in the cell.
(b) Even when the CAP activator is bound to DNA, if lactose is not present, the Lac operon will not be transcribed.
(c) The CAP activator can only bind DNA when it is bound to cAMP.
(d) The Lac operon only produces RNA when lactose is present and glucose is absent.
(a) The Lac repressor binds when lactose is not present in the cell.
You might also like to view...
The first successful outcome of gene therapy was in a case of a young girl suffering from ____________________,
who was supplied with normal copies of the ADA gene. Fill in the blank(s) with the appropriate word(s).
The "Age of Fishes" is an informal name for the:a
Ordovician period. b. Silurian period. c. Devonian period. d. Permian period. e. Carboniferous period.
The antibiotic oligomycin works by inhibiting ATP synthase. You would expect that
A) there will be an increase in ATP production. B) H+ will accumulate in the intermembrane space. C) H+ will accumulate in the mitochondrial matrix. D) NAD+ and FAD will pick up the extra H+.
Cells of _____ muscle tissue have striations with multiple nuclei, and this tissue is _____ in function.
Fill in the blank(s) with the appropriate word(s).