Which One of the Following Statements About the Methylation State

question 167

Multiple Choice

Which one of the following statements about the methylation state of CpG islands is INCORRECT?

• A)Cells can heavily methylate CpG islands of viral DNA sequences in order to restrict their expression.
• B)Cells can heavily methylate CpG islands of genes in transposable elements in order to restrict their expression.
• C)The methylation state of CpG islands provides a way to turn genes on or off.
• D)The methylation state of CpG islands is static and will not change over time.
• E)The methylation state of CpG islands can change in response to the environment.

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