A Researcher Found a Method He Could Use to Manipulate

question 58

Multiple Choice

A researcher found a method he could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. In one set of experiments, he succeeded in increasing acetylation of histone tails in the chromatin of the cells. Which of the following results would he most likely see in these cells?

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

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Definitions:

SSB

Sugar-sweetened beverages, which are drinks that contain added sugars and are often linked to various health issues.

SST

In the context of statistics, typically refers to the total sum of squares in an ANOVA test, measuring the total variation in the data.

Factorial Research Design

An experimental setup that involves studying the effects of multiple factors and their interactions on a response variable.

Null Hypothesis

A statement positing no difference or no effect, which researchers aim to test against the alternative hypothesis.