IB Biology HL A1.2.13 Hl Structure of a Nucleosome Questions

Describe how DNA wraps nearly twice around an octamer of histone proteins, how histone H1 binds linker DNA to the histone core, and how nucleosomes package DNA while regulating access to genes.

Exam points

Describe DNA wrapping nearly twice around a histone octamer and the binding of histone H1 to linker DNA and the histone core.
Explain how nucleosomes package DNA and allow regulated access to genes.

[Maximum number: 1]

Nucleosomes help to regulate transcription in eukaryotes.

State the components of a nucleosome.

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IB Biology HL A1.2.13 Hl Structure of a Nucleosome Questions question 1