Binding of histone H1 stabilizes higher-order chromatin structures and forms the

Question

Binding of histone H1 stabilizes higher-order chromatin structures and forms the 30 nm fiber. There are two models proposed for the 30 nm chromatin fibers including the solenoid model and zigzag model. Based on their requirements of length of linker DNA, speculate which 30 nm chromatin model is likely to being observed in yeast and human cells.

a) yeast: solenoid model, human: zigzag model

b) yeast: zigzag model, human: solenoid model

c) both yeast and human: zigzag model

d) both yeast and human: solenoid model

Explanation / Answer

Option B is correct.yeast : zigzag histone model and human: solenoid model. These are the different histone organisation in eukaryotes.

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