A Researcher Found a Method She Could Use to Manipulate

question 20

Multiple Choice

A researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture.
-She tried decreasing the amount of methylation enzymes in the embryonic stem cells and then allowed the cells to further differentiate. 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:

Cut and Paste

The process of moving data or text from one location to another by first removing it from its original location and then inserting it into a new one.

First Column

Refers to the initial column in a spreadsheet or table, often containing key information or identifiers for the rows.

Banded Columns

A formatting feature in spreadsheet or table layouts that alternates the background color of columns to improve readability.

Header Column

The top row of a table or spreadsheet that contains the titles or headings for each column.