Which of the Following Statements Correctly Describes the Role of Histone

question 48

Multiple Choice

Which of the following statements correctly describes the role of histone acetylation and DNA methylation in gene regulation?

• A)DNA methylation reduces transcription,and histone acetylation promotes transcription.
• B)DNA methylation promotes transcription,and histone acetylation reduces transcription.
• C)DNA methylation and histone acetylation both promote transcription.
• D)DNA methylation and histone acetylation both reduce transcription.

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Definitions:

Xiphoid Process

A small cartilaginous extension of the lower part of the sternum, which is usually ossified in the adult human.

Linea Alba

A fibrous structure that runs down the midline of the abdomen, forming the median attachment of the abdominal muscles.

Rectus Abdominis

A long muscle of the abdomen whose contraction results in flexion of the lumbar spine or helps in compressing the abdominal cavity.

External Abdominal Oblique

A muscle located in the lateral part of the abdomen, involved in trunk rotation and lateral flexion.