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Chapter 11 Test DNA, Protein Synthesis, Mutations

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which one of the following nucleotide pair bonds would be found in a DNA molecule?
a.
adenine-cytosine
c.
guanine-cytosine
b.
adenine-guanine
d.
cytosine-uracil
 
 
ch_11_test_files/i0030000.jpg
Figure 11-1
 

 2. 

In which part of the cell does this process shown in Figure 11-1 take place?
a.
on the chromosome
c.
in food vacuoles
b.
in the nucleus
d.
at the ribosomes
 

 3. 

The process illustrated in Figure 11-1 is called _____.
a.
transcription
c.
translation
b.
replication
d.
monoploidy
 

 4. 

Which of the structures in Figure 11-1 are composed of RNA?
a.
III and IV
c.
III and V
b.
II and IV
d.
I and V
 

 5. 

Structure III in Figure 11-1 represents a(n) _____.
a.
gene
c.
codon
b.
amino acid
d.
DNA molecule
 

 6. 

A DNA segment is changed from-AATTAG- to -AAATAG-. This is a ____.
a.
inversion
c.
deletion
b.
point mutation
d.
frameshift mutation
 

 7. 

Which of the following would be least likely to happen as a result of a mutation in a person's skin cells?
a.
no change in functioning of the skin cell
b.
reduced functioning of the skin cell
c.
the person's offspring have mutated skin
d.
skin cancer
 

 8. 

An RNA molecule is a polymer composed of subunits known as _____.
a.
polysaccharides
c.
uracil molecules
b.
ribose molecules
d.
nucleotides
 
 
ch_11_test_files/i0110000.jpg
Figure 11-4
 

 9. 

What will be the result of the mutation in Figure 11-4?
a.
nearly every amino acid in the protein will be changed
b.
it will have no affect on protein function
c.
the organism will die
d.
only one amino acid will change
 

 10. 

What type of mutation has occurred in Figure 11-4?
a.
frame shift
c.
lethal
b.
protein
d.
point mutation
 
 
ch_11_test_files/i0140000.jpg
Figure 11-3
 

 11. 

Which structure shown in Figure 11-3 would attract a free cytosine nucleotide?
a.
A
c.
C
b.
B
d.
D
 

 12. 

Which structure shown in Figure 11-3 is a pyrimidine?
a.
C
c.
B
b.
D
d.
A
 

 13. 

Which structure shown in Figure 11-3 does not contain a nitrogenous base?
a.
C
c.
A
b.
B
d.
D
 

 14. 

The chromosome abnormality that occurs when part of one chromosome breaks off and is added to a different chromosome is _____.
a.
translocation
c.
deletion
b.
inversion
d.
nondisjunction
 
 
Help Wanted
Positions Available in the genetics industry. Hundreds of entry-level openings for tireless workers. No previous experience necessary. Must be able to transcribe code in a nuclear environment. The ability to work in close association with ribosomes is a must.
Accuracy and Speed vital for this job in the field of translation. Applicants must demonstrate skills in transporting and positioning amino acids. Salary commensurate with experience.
Executive Position available. Must be able to maintain genetic continuity through replication and control cellular activity by regulation of enzyme production. Limited number of openings. All benefits.
Supervisor of production of proteins—all shifts. Must be able to follow exact directions from double-stranded template. Travel from nucleus to the cytoplasm is additional job benefit.
Table 11-1
 

 15. 

Applicants for the third job of the Help Wanted ad in Table 11-1, "Executive Position," could qualify if they were _____.
a.
DNA
c.
rRNA
b.
mRNA
d.
tRNA
 

 16. 

Applicants for the second job of the Help Wanted ad in Table 11-1, "Accuracy and Speed," could qualify if they were _____.
a.
mRNA
c.
rRNA
b.
DNA
d.
tRNA
 

 17. 

Applicants for the fourth job of the Help Wanted ad in Table 11-1, "Supervisor," could qualify if they were _____.
a.
tRNA
c.
mRNA
b.
DNA
d.
rRNA
 

 18. 

Messenger RNA is formed in the process of _____.
a.
translation
c.
transcription
b.
mutation
d.
replication
 

 19. 

Which series is arranged in order from largest to smallest in size?
a.
cell, nucleotide, nucleus, DNA, chromosome
b.
cell, nucleus, chromosome, DNA, nucleotide
c.
nucleotide, chromosome, cell, DNA, nucleus
d.
chromosome, nucleus, cell, DNA, nucleotide
 

 20. 

A DNA nucleotide may be made up of a phosphate group, along with _____.
a.
ribose sugar and cytosine
c.
ribose sugar and adenine
b.
deoxyribose sugar and uracil
d.
deoxyribose sugar and thymine
 

 21. 

Watson and Crick were the first to suggest that DNA is _____.
a.
the genetic material
c.
a protein molecule
b.
a short molecule
d.
the shape of a double helix
 

 22. 

X rays, ultraviolet light, and radioactive substances that can change the chemical nature of DNA are classified as _____.
a.
hydrolytic enzymes
c.
metamorphic molecules
b.
mutagens
d.
growth regulators
 

 23. 

The process by which a DNA molecule is copied is called _____.
a.
replication
c.
binary fission
b.
translation
d.
mitosis
 

 24. 

The backbone of a DNA molecule is made of which two components?
a.
phosphate molecules and ribose sugars
b.
deoxyphosphate molecules and deoxyribose sugars
c.
phosphate molecules and deoxyribose sugars
d.
deoxyphosphate molecules and ribose sugars
 

 25. 

The pairing of _____ in DNA is the key feature that allows DNA to be copied.
a.
nucleotides
c.
chromosomes
b.
codons
d.
nitrogen bases
 

 26. 

Ribosomes are made of _____.
a.
rRNA and mRNA
c.
tRNA and mRNA
b.
protein and tRNA
d.
rRNA and protein
 

 27. 

A DNA segment is changed from -AATTAGAAATAG- to -ATTAGAAATAG-.  This is a ____.
a.
point mutation
c.
translation
b.
frameshift mutation
d.
inversion
 



 
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