A Researcher Found a Method She Could Use to Manipulate

question 65

Multiple Choice

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture.
-In one set of experiments using this procedure in Drosophila, she was readily successful in increasing phosphorylation of amino acids adjacent to methylated amino acids in histone tails. Which of the following results would she most likely see?

• A) increased chromatin condensation
• B) decreased chromatin condensation
• C) abnormalities of mouse embryos
• D) decreased binding of transcription factors
• E) inactivation of the selected genes

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Definitions:

Rapid Cycling

In the context of bipolar disorder, it refers to having four or more mood episode changes from mania, hypomania, to depression within a twelve-month period.

Major Depression

A mental disorder characterized by persistent sadness, lack of interest in activities, and other symptoms that impair daily functioning.

Cognitive Distortion

Irrational, faulty thinking patterns that contribute to emotional distress and mental health disorders.

Dichotomy

A division or contrast between two things that are presented as entirely different or opposite.