Ch. 10 Exam Review

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Ch. 10 Exam
Review
What are the key
words?
____ 1.
Each organism has
a unique combination of
characteristics encoded in
molecules of
a.
protein. c.carbohydrates.
b.
enzymes. d.
DNA.
____ 2.
Molecules of DNA
are composed of long chains of
a. amino acids.
b. fatty acids.
c. monosaccharides.
d. nucleotides.
Ch. 10 Exam
Review
What are the key
words?
Unique, encoded,
molecules
Molecules of DNA
_D_ 1.
Each organism has
a unique combination of
characteristics encoded in
molecules of
a.
protein. c.carbohydrates.
b.
enzymes. d.
DNA.
_D_ 2.
Molecules of DNA
are composed of long chains of
a. amino acids.
b. fatty acids.
c. monosaccharides.
d. nucleotides.
Ch. 10 Exam
Review
What are the parts of
a nucleotide?
____ 3. A nucleotide
consists of
a. a sugar, a protein, and
adenine.
b. a sugar, an amino acid, and
starch.
c. a sugar, a phosphate group,
and a nitrogen-containing
base.
d. a starch, a phosphate
group, and a nitrogencontaining base.
Ch. 10 Exam
Review
What are the parts of
a nucleotide?
__C_ 3. A nucleotide
consists of
a. a sugar, a protein, and
adenine.
b. a sugar, an amino acid, and
starch.
c. a sugar, a phosphate group,
and a nitrogen-containing
base.
d. a starch, a phosphate
group, and a nitrogencontaining base.
Ch. 10 Exam
Review
Can number 4 for help
you answer another
question?
Write the pairs on the
test.
____ 4.
Refer to the illustration
above. The entire molecule shown in
the diagram is called a(n)
a. amino acid. c. polysaccharide.
b. nucleotide. d. pyrimidine.
____ 5.
The base-pairing rules
state that the following are base pairs
in DNA:
a. adenine-thymine; uracil-cytosine.
b. adenine-thymine;guanine-cytosine.
c. adenine-guanine;thymine-cytosine.
d. uracil-thymine; guanine-cytosine.
Ch. 10 Exam
Review
Can number 4 for help
you answer another
question?
Write the pairs on the
test.
__B_ 4.
Refer to the illustration
above. The entire molecule shown in
the diagram is called a(n)
a. amino acid. c. polysaccharide.
b. nucleotide. d. pyrimidine.
__B_ 5.
The base-pairing rules
state that the following are base pairs
in DNA:
a. adenine-thymine; uracil-cytosine.
b. adenine-thymine;guanine-cytosine.
c. adenine-guanine;thymine-cytosine.
d. uracil-thymine; guanine-cytosine.
Ch. 10 Exam
Review
6. Is this replication or
transcription? How
can you tell?
7. Key word:
8. Different how?
____6. ATTG : TAAC ::
a. AAAT : TTTG c.GTCC : CAGG
b. TCGG : AGAT d.CGAA : TGCG
____ 7. During DNA replication, a
complementary strand of DNA is made for
each original DNA strand. Thus, if a portion
of the original strand is CCTAGCT, then the
new strand will be
a. TTGCATG.
c.
CCTAGCT.
b. AAGTATC.
d.
GGATCGA.
____8. RNA differs from DNA in that RNA
a. is sometimes single-stranded.
b. contains a different sugar molecule.
c. contains the nitrogen base uracil.
d. All of the above
Ch. 10 Exam
Review
6. Is this replication or
transcription? How
can you tell?
Replication, A-T
7. Key word:
replication
8. Different how? all
__C_6. ATTG : TAAC ::
a. AAAT : TTTG c.GTCC : CAGG
b. TCGG : AGAT d.CGAA : TGCG
__D_ 7. During DNA replication, a
complementary strand of DNA is made for
each original DNA strand. Thus, if a portion
of the original strand is CCTAGCT, then the
new strand will be
a. TTGCATG.
c.
CCTAGCT.
b. AAGTATC.
d.
GGATCGA.
__D_8. RNA differs from DNA in that RNA
a. is sometimes single-stranded.
b. contains a different sugar molecule.
c. contains the nitrogen base uracil.
d. All of the above
Ch. 10 Exam
Review
____ 9.Which of the
following is not found in
DNA?
a. adenine
b. cytosine
c. uracil
d. None of the above
Ch. 10 Exam
Review
__C_ 9.Which of the
following is not found in
DNA?
a. adenine
b. cytosine
c. uracil
d. None of the above
Ch. 10 Exam
Review
mRNA:
CUCAAGUGCUUC
____ 10. Refer to the illustration above. What is
the portion of the protein molecule coded for
by the piece of mRNA shown in the diagram?
a. Ser—Tyr—Arg—Gly c. Leu—Lys—Cys—Phe
b. Val—Asp—Pro—His d. Pro—Glu—Leu—Val
____
11.
Which of the following would
represent the strand of DNA from which the
mRNA strand in the diagram was made?
a. CUCAAGUGCUUC
c. GAGTTCACGAAG
b. GAGUUCACGAAG
d. AGACCTGTAGGA
____
12.
Refer to the illustration
above. The anticodons for the codons in the
mRNA in the diagram are
a. GAG—UUC—ACG—AAG.
b. GAG—TTC—ACG—AAG.
c. CUC—GAA—CGU—CUU.
d. CUU—CGU—GAA—CUC.
Ch. 10 Exam
Review
mRNA:
CUC AAG UGC UUC
__C_ 10. Refer to the illustration above. What is
the portion of the protein molecule coded for
by the piece of mRNA shown in the diagram?
a. Ser—Tyr—Arg—Gly c. Leu—Lys—Cys—Phe
b. Val—Asp—Pro—His d. Pro—Glu—Leu—Val
__C_
11.
Which of the following would
represent the strand of DNA from which the
mRNA strand in the diagram was made?
a. CUCAAGUGCUUC
c. GAGTTCACGAAG
b. GAGUUCACGAAG
d. AGACCTGTAGGA
__A_
12.
Refer to the illustration
above. The anticodons for the codons in the
mRNA in the diagram are
a. GAG—UUC—ACG—AAG.
b. GAG—TTC—ACG—AAG.
c. CUC—GAA—CGU—CUU.
d. CUU—CGU—GAA—CUC.
Ch. 10 Exam
Review
Key words:
____ 13. During transcription
a. proteins are synthesized.
b. DNA is replicated.
c. RNA is produced.
d. translation occurs.
____ 14. Each nucleotide
triplet in mRNA that specifies
a particular amino acid is
called a
a. mutagen.
c. anticodon.
b. codon.
d. exon.
Ch. 10 Exam
Review
Key words:
Transcription
Triplet in mRNA
__C_ 13. During transcription
a. proteins are synthesized.
b. DNA is replicated.
c. RNA is produced.
d. translation occurs.
__B_ 14. Each nucleotide
triplet in mRNA that specifies
a particular amino acid is
called a
a. mutagen.
c. anticodon.
b. codon.
d. exon.
Ch. 10 Exam
Review
mRNA
Amino acid
UAU, UAC
tyrosine
CCU, CCC, CCA, CCG
proline
GAU, GAC
aspartic acis
AUU, AUC, AUA
isoleucine
UGU, UGC
cysteine
____ 15.
Suppose that you are given
a polypeptide sequence containing the
following sequence of amino acids:
tyrosine, proline, aspartic acid, isoleucine,
and cysteine.
Use the portion of the genetic code given
in the table below to determine the DNA
sequence that codes for this polypeptide
sequence.
a.
b.
c.
d.
AUGGGUCUAUAUACG
ATGGGTCTATATACG
GCAAACTCGCGCGTA
ATAGGGCTTTAAACA
____ 16.Each of the following is a type
of RNA except
a. carrier RNA.
c.ribosomal RNA.
b. messenger RNA.
d.transfer RNA.
Ch. 10 Exam
Review
mRNA
Amino acid
UAU, UAC
tyrosine
CCU, CCC, CCA, CCG
proline
GAU, GAC
aspartic acis
AUU, AUC, AUA
isoleucine
UGU, UGC
cysteine
__B_ 15.
Suppose that you are given
a polypeptide sequence containing the
following sequence of amino acids:
tyrosine, proline, aspartic acid, isoleucine,
and cysteine.
Use the portion of the genetic code given
in the table below to determine the DNA
sequence that codes for this polypeptide
sequence.
a.
b.
c.
d.
AUGGGUCUAUAUACG
ATGGGTCTATATACG
GCAAACTCGCGCGTA
ATAGGGCTTTAAACA
__A_ 16.Each of the following is a type
of RNA except
a. carrier RNA.
c.ribosomal RNA.
b. messenger RNA.
d.transfer RNA.
Ch. 10 Exam
Review
17. A DNA subunit composed of a
phosphate group, a five-carbon sugar, and
a nitrogen-containing base is called a(n)
____________________.
18.
The name of the fivecarbon sugar that makes up a part of the
backbone of molecules of DNA is
____________________.
19.
Knowing the order of the
bases in a gene permits scientists to
determine the exact order of the amino
acids in the expressed
____________________.
20.
Due to the strict pairing of
nitrogen base pairs in DNA molecules, the
two strands are said to be
____________________ to each other.
Ch. 10 Exam
Review
17. A DNA subunit composed of a
phosphate group, a five-carbon sugar, and
a nitrogen-containing base is called a(n)
___nucleotide___.
18.
The name of the fivecarbon sugar that makes up a part of the
backbone of molecules of DNA is
__deoxyribose___.
19.
Knowing the order of the
bases in a gene permits scientists to
determine the exact order of the amino
acids in the expressed ____protein__.
20.
Due to the strict pairing of
nitrogen base pairs in DNA molecules, the
two strands are said to be
____complementary___ to each other.
Ch. 10 Exam
Review
21.
According to base-pairing rules,
adenine pairs with
____________________ and guanine pairs
with ____________________.
22.
Messenger RNA is
produced during the process of
____________________.
23.
Of the 64 codons of mRNA,
61 code for ____________________, 3 are
____________________ signals, and one is
a ____________________ signal.
24.
The information contained
in a molecule of messenger RNA is used to
make protein during the process of
____________________.
Ch. 10 Exam
Review
21.
According to base-pairing rules,
adenine pairs with __thymine__ and
guanine pairs with ___cytosine______.
22.
Messenger RNA is
produced during the process of
_____transcription___.
23.
Of the 64 codons of mRNA,
61 code for ___amino acids__, 3 are
_______stop_____ signals, and one is a
_____start_________ signal.
24.
The information contained
in a molecule of messenger RNA is used to
make protein during the process of
_____translation___.
Ch. 10 Exam
Review
25. The DNA molecule is
described as a double helix.
Describe the meaning of this
expression and the general
structure of a DNA molecule.
Write your answer in the
space below.
Ch. 10 Exam
Review
25. The DNA molecule is
described as a double helix.
Describe the meaning of this
expression and the general
structure of a DNA molecule.
Write your answer in the
space below.
A: B:
Unique to A
Common to both
Unique to B

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