Which Statement Describes a Function of the Addition of Methyl

question 4

Multiple Choice

Which statement describes a function of the addition of methyl groups to DNA?

• A) Methylation is used by E. coli as part of a defense mechanism to distinguish its DNA from foreign DNA.
• B) Methylation serves as a marker during repair of DNA during replication.
• C) Methylation of DNA occurs in some animals when infected with certain bacteriophages.
• D) All of the statements describe a function of DNA methylation.
• E) None of the statements describes a function of DNA methylation.

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Definitions:

Oedipus Complex

A Freudian theory positing that a child experiences unconscious desires for their opposite-sex parent and jealousy and rivalry toward their same-sex parent.

Oral Fixation

A psychological condition first described by Freud, characterized by an obsession with engaging the mouth in activities such as eating, talking, or smoking.

Reaction Formation

A defense mechanism where unacceptable impulses are transformed into their opposite, often seen in exaggerated or compulsive behaviors.

Projective Test

A personality test, such as the Rorschach or TAT, that provides ambiguous images designed to trigger projection of one’s inner dynamics.