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Question: Question 1 of 5 0.2 Points Changes in chromatin structure that support activation of transcri…

by | Dec 5, 2023 | Posted Questions

Question 1 of 5

0.2 Points

Changes in chromatin structure that support activation of
transcription in eukaryotes include:

A.

sliding of nucleosomes, making DNA accessible.

B.

opening of chromatin.

C.

activating DNase I.

D.

A and B.

E. All of the above.

Question 2 of 5

0.2 Points

DNA methylation leads to methyl groups being added to CpG, which
in turn:

A.

recruits acetylases, which lead to chromatin
accessibility.

B.

recruits acetylases, which lead to chromatin
inaccessibility.

C.

recruits deacetylases, which lead to chromatin
accessibility.

D.

recruits deacetylases, which lead to chromatin
inaccessibility.

E. None of the above.

Question 3 of 5

0.2 Points

DNA sequences that are involved in the regulation of
transcription in eukaryotes include all of the following
EXCEPT:

A.

the core promoter.

B.

the regulatory promoter.

C.

the operator.

D.

enhancers.

E. All of these are included.

Question 4 of 5

0.2 Points

Transcriptional activators can bind:

A.

regulatory promoters.

B.

coactivators.

C.

enhancers.

D.

A and B.

E. All of the above.

Question 5 of 5

0.2 Points

Enhancers, unlike regulatory promoters,

A.

do not have to be in a specific location.

B.

do not have to be in a specific orientation.

C.

are often transcribed.

D.

A and B.

E. All of the above.

            
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