Question 1

Histone acetylation usually promotes gene activity.

Accepted Answer

A) True 
 B)False

Question 2

Acetylation of histones occurs on the amino groups of the side chains of the amino acid __________.

Accepted Answer

The answer of Acetylation of histones occurs on the amino...

Question 3

Human DNA is folded into ________ that consist of core histones wrapped by DNA.

Accepted Answer

The answer of Human DNA is folded into ________ that...

Question 4

Transcription factors help stabilize nucleosomes.

Accepted Answer

A) True 
 B)False

Question 5

The histone protein _______ is more readily removed from chromatin than the other histone proteins and therefore is not considered part of the core nucleosome.

Accepted Answer

The answer of The histone protein _______ is more readily...

Question 6

Unacetylated histones tend to ______________ transcription.

Accepted Answer

The answer of Unacetylated histones tend to ______________ transcription....

Question 7

Histone acetylation can occur in the

Accepted Answer

A) nucleus. 
B) cytoplasm. 
C) ER lumen. 
D) nucleus and cytoplasm. 
E) nucleus,cytoplasm,and ER lumen.

Question 8

Most eukaryotic cells contain four different kinds of histone proteins.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is the correct order of chromatin folding?

Accepted Answer

A) nucleosome formation,30 nM fiber formation,radial loop structure 
B) radial loop structure,30 nM fiber formation,nucleosome formation 
C) 30 nM fiber formation,nucleosome formation,radial loop formation 
D) 30 nM fiber formation,radial loop formation,nucleosome formation 
E) nucleosome formation,radial loop formation,nucleosome formation

Exam 13: Chromatin Structure and Its Effect on Transcription

Histone acetylation usually promotes gene activity.

Acetylation of histones occurs on the amino groups of the side chains of the amino acid __________.

Human DNA is folded into ________ that consist of core histones wrapped by DNA.

Transcription factors help stabilize nucleosomes.

The histone protein _______ is more readily removed from chromatin than the other histone proteins and therefore is not considered part of the core nucleosome.

Unacetylated histones tend to ______________ transcription.

Histone acetylation can occur in the

Most eukaryotic cells contain four different kinds of histone proteins.

Which of the following is the correct order of chromatin folding?