Which of the following statement about the chromatin remodeling is NOT true:____
A. It is about the change of the structure and position of chromatin.
B. The location of nucleosome in DNA strands keeps unchanged.
C. It is closely related to the modifications in the N terminal of histone.
D. The complex for chromatin remodeling possess ATPase activity and can break the interaction of DNA and histone.
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Which of the statement about the modification of histone is correct:____
A. The acetylation of Lyc residue in the N terminal of histone can strengthen the interaction between different histones.
B. Chromo domain can recognize the acetylation site of histone.
C. The acetylation and phosphorylation of histone reduce the affinity between histone and DNA.
D. Bromo domain can recognize the methylation site of histone.
Which of the following statement about the location of nucleosome is NOT true:____
A. The interactions between nucleosome and DNA are dynamic.
B. The interactions of nucleosome and DNA are not sequence specific.
C. A nucleosome consists of DNA molecule with length of at least 150bp.
D. The DNA sequences don’t affect the location of nucleosome at all.
Which of the following chromatin remodeling complex can make DNA molecule slide on core histone and shorten the distance of neighboring DNA:___
A. NuRD family
B. ISWI family
C. SWR1
D. SWI/SNF family
After DNA is packaged into nucloesome to form beads-on-a-string, the compression ratio is:____
A. 1/6
B. 1/7
C. 1/10
D. 1/40
E. 1/8400
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