Which of the Following Statements About Nucleosomes Is TRUE

question 61

Multiple Choice

Which of the following statements about nucleosomes is TRUE?

• A)Nucleosomes activate transcription when bound to the promoter.
• B)Although RNA polymerase can access DNA packed within nucleosomes, the general transcription factors and transcriptional regulators cannot.
• C)Histone acetyltransferases affect transcription by both altering chromatin structure to allow accessibility to the DNA and by adding acetyl groups to histones that can bind proteins that promote transcription.
• D)Histone deacetylases remove lysines from histone tails.

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Definitions:

Group Cohesion

The extent to which members of a group stick together and remain united in pursuit of common objectives.

Behaviors

The actions or reactions of an individual or a group in response to external or internal stimuli.

Group Leader

An individual who takes on the responsibility of guiding, directing, or influencing the members of a group towards achieving its objectives.

Group Members

are individuals who form part of a team or group working together towards a common goal or purpose.