Epigenetics, Chromatin Modifications, and Regulation Video Lessons

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Problem: Which of the following is an example of post-transcriptional control of gene expression?a. the addition of methyl groups to cytosine bases of DNAb. the binding of transcription factors to a promoterc. the removal of introns and alternative splicing of exonsd.  gene amplification contributing to cancer

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Gene Expression: regulated at the transcriptional, post-transcriptional, translational, and post-translational level


a. the addition of methyl groups to cytosine bases of DNA → occurs prior to transcription

Methylation of DNA represses gene expression.


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Problem Details

Which of the following is an example of post-transcriptional control of gene expression?

a. the addition of methyl groups to cytosine bases of DNA

b. the binding of transcription factors to a promoter

c. the removal of introns and alternative splicing of exons

d.  gene amplification contributing to cancer

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