The Nucleosome Is the Basic Repeating Unit of Chromatin

question 26

Multiple Choice

The nucleosome is the basic repeating unit of chromatin. Which of the following statements concerning nucleosomes is incorrect?

• A) Nucleosomes have protein cores consisting of an octamer of protein subunits.
• B) A segment of DNA approximately 145 bp long is associated with each nucleosome.
• C) Histone H1 contacts the DNA linker segments as they enter and leave the nucleosome.
• D) The DNA in a nucleosome is packed tightly inside the protein core to conserve space in the nucleus and to protect the DNA from damage.
• E) Some nucleosomes form over specific regions of DNA in a non-random manner.

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Definitions:

Vertical Dyad

Describes the unique relationships leaders form with each of their subordinates, often leading to the in-group and out-group dynamics within a team.

LMX

Leader-Member Exchange theory, which focuses on the two-way (dyadic) relationship between leaders and followers, emphasizing the importance of this interaction in leadership success.

In-group

A social group to which a person psychologically identifies as being a member.

Vertical Dyads

A concept in leadership research that examines the relationship dynamics between leaders and individual subordinates, rather than viewing relationships across the entire group.