A Region of Chromatin Has Recently Become DNAse I Hypersensitive

question 5

Multiple Choice

A region of chromatin has recently become DNAse I hypersensitive. Which enzyme has been activated to cause this change in chromatin structure?

• A)histone methyltransferase
• B)histone acetylase
• C)histone deacetylase
• D)phosphatase
• E)kinase

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Definitions:

Levels

The different values or categories of a factor in an experiment.

Combinations

A mathematical technique to determine the total possible arrangements of a set of items where the order of the items does not matter.

Factorial Designs

A statistical analysis method that allows researchers to study the effects of two or more independent variables on a dependent variable simultaneously.

Single-Factor Designs

Experiments that investigate the effect of one independent variable on one or more dependent variables.