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Chromatin Remodeling

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






1The basic subunit of chromatin is...
A)DNA
B)nucleosome
C)histone proteins
D)HO gene
E)histone acetyltransferase



2Which 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



3During 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



4Chromatin rearrangement modifies the histone - DNA structure so that translation can occur.
A)True
B)False



5The 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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