A Researcher Found a Method She Could Use to Manipulate

question 21

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 she succeeded in decreasing methylation of histone tails.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

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Definitions:

Standing Position

A posture where an individual is upright on their feet and maintaining balance, often used in descriptions of physical examinations or exercises.

Unsupported Sit

A position in which an individual sits without back support, often used to assess balance and core muscle strength.

Digestive Processes

The complex series of actions that break down food into nutrients the body can absorb and use for energy, cellular repair, and growth.

Fibrous Foods

Foods that are high in dietary fiber, which is beneficial for digestion and can help prevent constipation.