Chapter 19 Review
1
In this diagram of chromatin structure, the letter "A" indicates
A
B
C
D
2
Where would RNA polymerase attach?
A
B
C
D
3
histones.
supercoils.
a nucleosome.
a DNA double helix.
A
B
C
A or B
In this diagram of chromatin structure, the letter C indicates
A
B
C
D
loops.
histones.
supercoils.
a nucleosome.
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Chapter 19 Review
4
What is this an image of?
A
B
C
D
5
What is this an image of?
A
B
C
D
6
loops
histones
a nucleosome
a DNA double helix
Rearrangement of the genome plays an important role in the _____ system.
A
B
C
D
7
loops
histones
supercoils
a nucleosome
immune
nervous
endocrine
respiratory
The process of transcription is indicated by the letter ____.
A
B
C
D
E
A
B
C
D
E
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Chapter 19 Review
8
The letter "E" is indicating a process of gene expression that involves
A
B
C
D
9
RNA processing is indicated by the letter ____.
A
B
C
D
E
10
A
B
C
D
E
Which of the following processes is NOT indicated by the label A, B, C, D, or E?
A
B
C
D
11
transcription.
unpacking of DNA.
protein breakdown.
translation of mRNA.
translation
DNA unpacking
RNA processing
export of mRNA
________ bind(s) to DNA enhancer regions.
A
B
C
D
Exons
Introns
Activators
RNA polymerase
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Chapter 19 Review
12
What is the event that IMMEDIATELY follows the last event of this animation?
A
B
C
D
13
Which of these indicates an enhancer region?
A
B
C
D
14
transcription
binding of the activators to enhancers
binding of RNA polymerase to the promoter
binding of mRNA to the smaller ribosomal subunit
A
B
C
D
Which of these directly bind(s) to the promoter?
A
B
C
D
E
A
B
C
D
C and D
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Chapter 19 Review
15
How can a single RNA transcript lead to the translation of different proteins?
A
B
C
D
16
In the cytoplasm, the mRNA degradation begins at its
A
B
C
D
17
translation.
RNA processing.
protein activation.
regulating the transport of mRNA to the cytoplasm.
What is the function of a spliceosome?
A
B
C
D
20
amylases.
nucleases.
ubiquitins.
proteasomes.
The nuclear membrane's role in the regulation of gene expression involves
A
B
C
D
19
cap.
exons.
5' end.
poly-A tail.
Enzyme complexes that break down protein are called
A
B
C
D
18
The same RNA transcript may be spliced in several different ways.
The same RNA transcript may contain one of several different caps.
The same RNA transcript may contain one of several different 5'
untranslated regions.
The same RNA transcript may contain one of several different 3'
untranslated regions.
translation.
RNA processing.
protein activation.
protein degradation.
Protein-phosphorylating enzymes' role in the regulation of gene expression involves
A
B
C
D
translation.
RNA processing.
protein activation.
protein degradation.
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