Which of the Following Statements Regarding Regulation of Prokaryotic Gene

question 46

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.

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