Biology

Typically, acetylation of histone tails leads to ________.

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Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the ...

Started by SAVANNAHHOOPER23

Multicellular organisms generally utilize more complex gene regulation than unicellular organisms ...

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Many types of cancer are known to overexpress the receptor protein tyrosine kinase. Which molecular ...

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If you want to affect chromatin packaging, which amino acid could you mutate to affect both histone ...

Started by c0205847

For the following gene,MspIandHpaIIrestriction sites and their positions are indicated here. Recall ...

Started by oliviahorn72

dsRNA is detected and cleaved by?

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Chromatin from two tissues, skin and liver, was extracted and analyzed near the geneTwist.The liver ...

Started by corkyiscool3328

A region of chromatin has recently become DNAse I hypersensitive. Which enzyme has been activated to ...

Started by natalie2426

What is the role of cis-acting and trans-acting factors in transcription? Explain how these factors ...

Started by corkyiscool3328

What is the purpose of thelacoperon, and under what circumstances is it activated? Describe the ...

Started by NguyenJ

Using the autoradiograph of a DNA sequencing gel below determine which of the following is the ...

Started by Hungry!

Northern blot analysis is performed on mRNA isolated fromE. coliafter growth in a glucose-only ...

Started by serike

For each of the following E. coli partial diploid strains, indicate whether expression of ...

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DNA-binding proteins exert control by binding DNA at specific sequences. Describe how DNA and ...

Started by 09madisonrousseau09

Most of the regulation of gene expression in bacteria occurs at the ________ level.

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In bacteriophage , ifCrosucceeds in binding OR3within PRM, the ________ cycle is established.

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Expression of a(n) ________alters gene transcription inE. coliby activating transcription of ...

Started by ARLKQ

Which molecule functions as the corepressor in thetrpoperon?

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When both glucose and lactose are available in the growth medium, the presence of which molecule is ...

Started by Kthamas

What is the process by which a bacterium switches from a lysogenic to lytic cycle?

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In thetrpoperon, what gene contains the attenuator region?

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Binding of which complex increases the ability of RNA polymerase to transcribe thelacoperon?

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What are the two active sites or "domains" on a repressor protein?

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If a corepressor is inhibited, what effect would you expect to see on transcription in a repressible operon?

Started by mrsjacobs44