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Which of the following mechanisms illustrates a form of transcriptional repression that is unique to eukaryotes?

Which of the following statements about riboswitches is true?

Under which set of conditions does the lac operon in E. coli produce high levels of lacZ transcripts?

What is DICER?

BRIEFLY, state how MerR controls transcription of mercury resistance genes?

List the rRNAs associated with the large and small subunit for both the prokaryotic and eukaryotic ribosome.

Mechanisms of gene repression in eukaryotes include ________.

Which of the following is a shared characteristic of miRNAs and siRNAs?

What is the function of the PAZ domains in Dicer and Argonaute proteins?

As a measure of quality control in translation, which component of the translation machinery is capable of proofreading and editing amino acids?