Which of the following statements best explains why microbial geneticists initially focused on regulation of gene expression at the transcriptional, rather than the translational, level?

A. Cellular regulation of transcription is common to all prokaryotic cells.
B. The process of transcription was best understood by researchers at the time.
C. The process of synthesizing an mRNA transcript is much less complex than translation of mRNA into protein.
D. By regulating the first step of protein synthesis, cells conserve the greatest amount of energy.


Answer: D

Biology & Microbiology

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