Exam 29: Regulation of Gene Expression

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Give the sequence and draw the first two residues of a morpholino oligo that would serve as an antisense RNA for the following mRNA sequence (you may use the letter A, C, G and U to denote the bases): 5'-CAUGUCC-3'

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5'-GGACAUG-5' 5'-GGACAUG-5'

DNA methylation in eukaryotes plays a role in ____________.

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E

At the transcriptional level, how does tryptophan control the production of genes within the trp operon?

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D

When bacteriophage λ\lambda lysogeny terminates and lytic growth in E. coli cells begins, ____ is inactivated leading to unoccupied OR sites. _____ is produced, ultimately resulting in DNA replication.

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What is thought to occur when CRP binds to DNA?

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In a histone protein, what modification to lysine marks the nucleosome as a transcription target?

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The phosphorylation of several RNA polymerase II serine residues has been identified as a key event in eukaryotic translation initiation. Which of the following is one of the enzymes responsible for this phosphorylation?

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On the polycistronic mRNA of bacteriophage MS2, the ability to translate multiple copies of the coat protein but only a single copy of the A protein is accomplished by _________.

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A short RNA that is complimentary to a specific mRNA and used for inhibition of translation is called ______________.

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Which of the genes in the SOS regulon encodes a DNA polymerase?

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If both lactose and glucose are present in large amounts, which of the following scenarios would result?

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DNA damage that requires RecA to bind to a DNA gap activates proteolysis of _____, which then activates the transcription of genes within the SOS regulon.

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An mRNA whose translation is controlled by binding of a metabolic end product such as flavin adenine dinucleotide or adenosylcobalamin is called a____________.

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Which of the following bacteriophage λ\lambda proteins serves as both an activator and a repressor?

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Which of the following accounts for the greater complexity in eukaryotic transcriptional control when compared with prokaryotic control?

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Design an antisense RNA that prevents the start of translation for any mRNA in an E. coli cell.

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What elements are contained within the promoter of the lactose operon?

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Lysine methylation in a histone protein produces a form of chromatin known as ________ with the genes being transcriptionally __________.

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Bacteriophage λ\lambda establishment of lysogeny in E. coli cells requires a high concentration of _____. This is achieved by the ____ protein binding to the PRE regulatory site.

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The bromodomain of nucleosome remodeling complexes binds to ____________ histones while the chromodomain binds to ___________ histones.

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