Which of the following is true about operons? A. Contains a cluster of genes transcribed as multiple mRNAs. B. Contains a cluster of genes transcribed as a single mRNA. C. They are commonly found in eukaryotes. D. Can only be regulated by gene activator proteins.
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Contains a cluster of genes transcribed as multiple mRNAs. - This is partially true. Operons do contain a cluster of genes, but they are transcribed as a single mRNA. B. Contains a cluster of genes transcribed as a single mRNA. - This is true. Operons are a group Show more…
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Operons a) are commonly found in eukaryotic cells. b) are transcribed by RNA polymerase II. c) contain a cluster of genes transcribed as a single mRNA. d) can only be regulated by gene activator proteins.
Marlyn J.
Which statement about selective gene transcription in eukaryotes is not true? a. Regulatory proteins can bind at a site on DNA distant from the promoter. $b .$ Transcription requires transcription factors. $c .$ Genes are usually transcribed as groups called operons. $d .$ Both positive and negative regulation occur. e. Many proteins bind at the promoter.
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