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17 Mar 2019

For what function has evolution favored the preservation of CpG dinucleotides at gene promoters?

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Elin HesselLv2

19 Mar 2019

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List the major differences between prokaryotic and eukaryotic transcription?

Describe and/or draw the composition of the nucleosome?

What is the role of the CpG island in eukaryotic promoters?

Which of the following statements about CpG islands is correct?

	There is an association exists between DNA methylation at the CpG island and acetylation of histone via recruitment of acetylases.
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Which of the following genes is most likely regulated at the posttranscriptional level?

a. Gene A, which shows a strong positive correlation between the amount of mRNA produced and the amount of protein produced

b. Gene B, which shows no clear correlation between the amount of mRNA produced and the amount of protein produced

c. Gene C, which lies near the heterochromatin

d. Gene D, which has more than the typical number of CpG islands

e. Gene E, which has fewer than the typical number of CpG islands

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For what function has evolution favored the preservation of CpG dinucleotides at gene promoters?

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