12 Questions
What type of proteins are responsible for tightly packing linear DNA fibers?
Histones
What is the first step in the formation of a nucleosome?
Formation of an octamer protein complex
How many times is the DNA wrapped around the histone proteins in a nucleosome?
Twice
What is the name given to the complex of histone proteins and DNA wrapping around them?
Nucleosome
What is the length of the linker DNA that separates nucleosomes?
30-bp
What is the role of histone H1 in the formation of nucleosomes?
To prevent nucleosomes from becoming tangled
What is the final structure formed by the coiling of loop structures?
Sister chromatid
Which histone protein is not part of the octamer protein complex in nucleosomes?
H1
What is the function of histone proteins in DNA packaging?
To tightly pack the DNA
What is the size of the octamer protein complex in nucleosomes?
8 proteins
What is the name given to the DNA-protein complex that makes up chromosomes?
Chromatin
What is the role of histone proteins in gene expression?
To silence gene expression
Test your knowledge on the role of histone proteins in DNA packaging with our quiz! Learn about the formation of nucleosomes, the function of linker DNA, and the binding of histone H1. This quiz is perfect for students and researchers in genetics and molecular biology.
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