Which Statement About Operons Is False

question 90

Multiple Choice

Which statement about operons is false?

• A) The structural genes in the operon are either all on or all off at a given time.
• B) They consist of a cluster of genes with a single promoter.
• C) Their DNA is transcribed into a single molecule of mRNA.
• D) They are the units of transcriptional regulation in prokaryotes.
• E) A repressible operon is turned off unless needed.

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