In Eukaryotic Cells, ____

question 12

Multiple Choice

In eukaryotic cells, ____.

• A) gene expression is regulated mostly at the level of transcription
• B) all mRNAs tend to remain stable for about the same length of time
• C) mRNA activity is altered through modifications, such as phosphorylation
• D) promoters are typically "on" in the absence of regulatory proteins
• E) genes involved in similar processes are clustered together in operons

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