When a DNA promoter sequence is methylated, ____.
A) it is permanently silenced because the methyl group can never be removed
B) it is temporarily silenced because the methyl group can be removed
C) it is perpetually transcribed because the methyl group can never be removed
D) it is temporarily transcribed because the methyl group can be removed
E) the impact on expression depends on the gene being controlled by the promoter
Correct Answer:
Verified
Q31: How does RNA polymerase II bind to
Q32: In eukaryotic cells, _.
A) gene expression is
Q33: Acetylation adds a _ group _.
A) CH3CO-;
Q34: Gene silencing _.
A) cannot be inherited
B) occurs
Q35: A bridge is formed between the activators
Q37: Eukaryotic cells regulate the expression of multiple
Q38: When histones are rearranged to control gene
Q39: Some transcriptional repressors work by _.
A) binding
Q40: Methylation regulates transcription by _.
A) adding a
Q41: Hox genes, one class of _ genes,
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