A Researcher Found a Method She Could Use to Manipulate

question 15

Multiple Choice

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture.
-One of her colleagues suggested she try increased methylation of C nucleotides in a mammalian system. Which of the following results would she most likely see?

• A) increased chromatin condensation
• B) decreased chromatin condensation
• C) activation of histone tails for enzymatic function
• D) decreased binding of transcription factors
• E) inactivation of the selected genes

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Definitions:

Circulatory System

The body's system responsible for the transport of blood, nutrients, waste products, and other substances, consisting of the heart, blood vessels, and blood.

Algae

A diverse group of photosynthetic organisms, mostly aquatic, that include seaweeds and many single-celled forms, contributing significantly to oxygen production and biogeochemical cycles.

Evolutionary History

The branch of biology that studies the origins and changes in the diversity of life over time.

Major Events

Significant occurrences or happenings, especially those that mark a particular period or are of historical importance.