Describe the role of DNA methylation in eukaryotic gene expression.In your answer explain how patterns of...

Describe the role of DNA methylation in eukaryotic gene expression.In your answer explain how patterns of methylation are maintained after DNA replication. (include diagram)

Expert Solution

Ans) DNA methylation is the process by which the methyl groups are added to the sequences of mucleotide specifically the DNA. After the gene is expressed, the process of DNaa methylation will direct various processes like genomic imprinting and differentiation of stem cells DNA methylation process is initiated only after the gene is expressed or simply it will not allow the proteins called as the transcriptions factos cannot bind to the double stranded DNA.
By the process of replication , the inheritance of methylated DNA takes place rapidly. On the newly replicated DNA replicated strand.
Methylation of DNA inside the genome will alter and therefore, the denovo pathway of either demethylation and methylation of DNA.

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gladiator answered 2 years ago

i) Describe the role of DNA methylation in eukaryotic gene expression.Within your answer explain how patterns...

i) Describe the role of DNA methylation in eukaryotic gene expression.Within your answer explain how patterns of methylation are maintained after DNA replication. ii) With reference to single gene in mice, describe how diet can impact on DNA methylation and consequently the expression of that gene

7. Briefly describe how inheritance of methylation patterns by offspring (gene imprinting) is different from the...

7. Briefly describe how inheritance of methylation patterns by offspring (gene imprinting) is different from the inheritance of methylation patterns for daughter cells.

Describe how methylation occurs on newly replicated DNA

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One can take a fragment of genomic DNA carrying a eukaryotic gene and clone it into a bacterial plasmid, containing an origin of replication and a selectable marker gene. Although the eukaryotic DNA can be stably replicated in the bacteria, the gene is often not expressed. Explain four possible reasons why this is the case.

E. coli DNA ligase is different than eukaryotic and bacteriophage DNA ligase. Describe how the reactions...

E. coli DNA ligase is different than eukaryotic and bacteriophage DNA ligase. Describe how the reactions would be different and any other differences in these enzymes that could affect their use in the lab? Which ones are used in the lab and for what?

Explain the structural unit of the eukaryotic nucleosome, including DNA and protein components. In addition, describe...

Explain the structural unit of the eukaryotic nucleosome, including DNA and protein components. In addition, describe how the nucleosome is assembled. Be specific regarding the number and type of the subunits and how these subunits are put together to make the entire nucleosome. Explain what chromosomal mutations are, give and explain four examples, and tell me how these errors contribute to genetic variation.

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