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Molecular Biology, 4/e
Robert F. Weaver
Chromatin Structure and Its Effects on Transcription

Chromatin Remodeling

View the animation below, then complete the quiz to test your knowledge of the concept.



1

The basic subunit of chromatin is...
A)DNA
B)nucleosome
C)histone proteins
D)HO gene
E)histone acetyltransferase
2

Which of the following can physically block interactions between promoter DNA sequences and the proteins needed to initiate transcription?
A)RNA
B)nucleosome
C)histone proteins
D)HO gene
E)histone acetyltransferase
3

During chromatin remodeling, which of the following is acetylated to loosen its contact with the DNA?
A)DNA
B)nucleosome
C)histone proteins
D)HO gene
E)histone acetyltransferase
4

Chromatin rearrangement modifies the histone - DNA structure so that translation can occur.
A)True
B)False
5

The activities of Swi/Snf and the histone acetyltransferase modify the chromatin structure of the HO promoter region into a more open conformation.
A)True
B)False








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