Which of the Following Is True About Regulation of Prokaryotic

question 3

Multiple Choice

Which of the following is true about regulation of prokaryotic gene expression?

• A) Genes such as rRNAs and tRNAs, which specify housekeeping functions, can be repressed or induced as required.
• B) Genes that encode enzymes involved in catabolic pathways are always expressed constitutively.
• C) Genes that encode anabolic enzymes are not repressible.
• D) Transcriptional regulation is the most common mechanism of control in prokaryotes.
• E) Translational regulation is the most common mechanism of control in prokaryotes.

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