Which of the Following Statements Regarding Regulation of Prokaryotic Gene

Multiple Choice

Which of the following statements regarding regulation of prokaryotic gene expression is incorrect?

A) Accumulation of an end product of a biosynthetic pathway may result in the inhibition of the first enzyme in the pathway.
B) Different regions of an mRNA molecule may degrade at different rates.
C) E. coli cells devote a larger share of energy to the production of ribosomes under starvation conditions than in conditions favorable to growth.
D) Hairpins in the mRNA molecule can decrease translation rates by impeding the migration of ribosomes.
E) Unequal efficiencies of translational initiation are known to occur at the ATG start codons of different genes.