Under conditions of high glucose and high lactose concentration, what will happen to the levels of β-galactosidase?
A. Essentially no β-galactosidase will be produced.
B. It depends on what other sugars are present in the growth medium.
C. High levels of β-galactosidase will be produced.
D. Moderate levels of β-galactosidase will be produced.
The digestion of a foreign cell in the body is called:
A. Cell lysis
Individuals whose genotype is represented by the alleles Aa are described genotypically as _____.
Which of the following scenarios will result in gene activation?
A. Expression of a repressor increases.
B. A ligand promotes binding of a repressor to DNA.
C. An activator is degraded.
D. A ligand promotes binding of an activator to DNA.
Which of the following is NOT an end-product of a gene?