Download Chapter 16 Review - Blue Valley Schools

Chapter 16 Review
1
This is an image of a
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B
C
D
E
2
Who demonstrated that DNA is the genetic material of the T2 phage?
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B
C
D
E
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tail.
DNA.
head.
base plate.
protein coat.
Hershey and Chase used _____ to radioactively label the T2 phage's proteins.
A
B
C
D
E
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Franklin
Watson and Crick
Meselson and Stahl
Hershey and Chase
Darwin and Wallace
The radioactive isotope 32P labels the T2 phage's
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B
C
D
E
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phage.
protist.
moneran.
bacterium.
red blood cell.
14C
35S
32P
92U
222Ra
After allowing phages grown with bacteria in a medium that contained 32P and 35S,
Hershey and Chase used a centrifuge to separate the phage ghosts from the infected cell.
They then examined the infected cells and found that they contained ____, which
demonstrated that ____ is the phage's genetic material.
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B
C
D
E
labeled DNA ... DNA
labeled DNA ... protein
labeled protein ... DNA
labeled protein ... protein
labeled DNA ... labeled protein
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Page 1
Chapter 16 Review
6
In the accompanying image, a nucleotide is indicated by the letter _____.
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D
E
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Which of these is a difference between a DNA and an RNA molecule?
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B
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D
E
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A
B
C
D
E
DNA contains uracil, whereas RNA contains thymine.
DNA is double-stranded, whereas RNA is single-stranded.
DNA contains nitrogenous bases, whereas RNA contains phosphate groups.
DNA contains five-carbon sugars, whereas RNA contains six-carbon sugars.
DNA is a polymer composed of nucleotides, whereas RNA is a polymer
composed of nucleic acids.
This is an image of a(n)
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B
C
D
E
thiol.
nucleotide.
amino acid.
nucleic acid.
none of the above
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Page 2
Chapter 16 Review
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The letter "A" indicates a
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B
C
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E
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A nitrogenous base is indicated by the letter _____.
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B
C
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E
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sugar.
nucleotide.
phosphate group.
nitrogenous base.
none of the above
A
B
C
D
E
You can tell that this is an image of a DNA nucleotide and not an RNA nucleotide because
you see a
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B
C
D
E
phosphate group, not a uracil.
sugar with two, and not three, oxygen atoms.
uracil nitrogenous base, not a thymine nitrogenous base.
thymine nitrogenous base, not a uracil nitrogenous base.
double-stranded molecule, not a single-stranded molecule.
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Page 3
Chapter 16 Review
12
Which of these nitrogenous bases is found in RNA but not in DNA?
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B
C
D
E
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Which of these is(are) pyrimidines?
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B
C
D
E
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1'
1'
2'
1'
2'
...
...
...
...
...
2'
5'
3'
3'
1'
Nucleic acids are assembled in the _____ direction.
A
B
C
D
E
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A and B
A, B, and C
B and C
B, C, and D
C, D, and E
In a nucleotide, the nitrogenous base is attached to the sugar's _____ carbon and the
phosphate group is attached to the sugar's _____ carbon.
A
B
C
D
E
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uracil
guanine
adenine
cytosine
thymine
1' to 5'
2' to 3'
5' to 3'
4' to 5'
5' to 1'
In a DNA double helix an adenine of one strand always pairs with a(n) _____ of the
complementary strand, and a guanine of one strand always pairs with a(n) _____ of the
complementary strand.
A
B
C
D
E
cytosine ... uracil
uracil ... cytosine
guanine ... adenine
cytosine ... thymine
thymine ... cytosine
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Page 4
Chapter 16 Review
17
Short segments of newly synthesized DNA are joined into a continuous strand by
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B
C
D
E
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After DNA replication is completed,
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B
C
D
E
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ligase.
primase.
helicase.
DNA polymerase.
single-strand binding protein.
The action of helicase creates
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B
C
D
E
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there are four double helices.
each new DNA double helix consists of two new strands.
each new DNA double helix consists of one old DNA strand and one new
DNA strand.
each of the four DNA strands consists of some old strand parts and some
new strand parts.
one DNA double helix consists of two old strands and one DNA double helix
consists of two new strands.
The first step in the replication of DNA is catalyzed by
A
B
C
D
E
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ligase.
primase.
helicase.
DNA polymerase.
single-strand binding protein
primers and DNA fragments.
primers and replication bubbles.
DNA fragments and replication forks.
DNA fragments and replication bubbles.
replication forks and replication bubbles.
Why is the new DNA strand complementary to the 3' to 5' strands assembled in short
segments?
A
B
C
D
E
the replication forks block the formation of longer strands
it is more efficient than assembling complete new strands
only short DNA sequences can extend off the RNA primers
DNA polymerase can assemble DNA only in the 3' to 5' direction
DNA polymerase can assemble DNA only in the 5' to 3' direction
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Page 5
Chapter 16 Review
22
The synthesis of a new strand begins with the synthesis of a(n)
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B
C
D
E
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Which of these is responsible for catalyzing the formation of an RNA primer?
A
B
C
D
E
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poly(A) tail.
Okazaki fragment.
short pieces of DNA.
single-strand binding protein.
RNA primer complementary to a preexisting DNA strand.
A
B
C
D
E
An old DNA strand is used as a _____ for the assembly of a new DNA strand.
A
B
C
D
E
model
primer
template
complement
source of nucleotides
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Page 6
Chapter 16 Review
Page 7
Answer Key : Chapter 16 Review
Question:
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Answer
A
D
B
B
A
B
B
B
C
C
B
A
E
B
C
E
A
C
C
E
E
E
D
C