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Questions and Answers
Which of the following statements about histone proteins is correct?
Which of the following statements about histone proteins is correct?
- Histone proteins are acidic in nature.
- Histone proteins contain many negatively-charged amino acids.
- Histone proteins bind with the sugars along the DNA backbone.
- Histone proteins contain many positively-charged amino acids. (correct)
Which of the following is an invariant feature of nucleosomes in all eukaryotic cells?
Which of the following is an invariant feature of nucleosomes in all eukaryotic cells?
- The length of core DNA is always 146bp. (correct)
- The length of core DNA varies between cells.
- The length of linker DNA varies between cells.
- The length of linker DNA is always 146bp.
Which histones make up the octamer in a nucleosome?
Which histones make up the octamer in a nucleosome?
- H2A and H2B (correct)
- H1 and H2A
- H3 and H4
- H2B and H3
What is the role of the linker histone H1?
What is the role of the linker histone H1?
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How many times is the core DNA wound around the outside of the histone octamer?
How many times is the core DNA wound around the outside of the histone octamer?
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