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UARK Microbiology Exam 3
Questions and Answers (100%
Correct Answers) Already Graded A+
B Ans: The enzyme that is responsible for synthesizing RNA is
© 2026 Assignment
a. DNA phosphorylase.
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b. Transcriptase.
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c. DNA ligase.
d. RNA ligase.
e. DNA synthase.
D Ans: DNA DIRECTLY participates in which of the following?
a. Replication, transcription and translation
b. Conservative replication
c. Transcription and translation
d. Replication and transcription
e. None of the above.
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B Ans: Genetics and metabolism are tied together by the fact
that
a. The genes code for phenotypic characteristics that result in
proteins being produced.
b. The genes code for enzymes that catalyze reactions that
result in characteristics.
c. The proteins code for genes that result in enzymes that
© 2026 Assignment
catalyze reactions.
d. The enzymes catalyze reactions that produce proteins.
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e. None of the above.
D Ans: All of the following bases are found in RNA except
a. Adenine.
b. Cytosine.
c. Guanine.
d. Thymine.
e. Uracil.
A Ans: A silent mutation is
a. Always a change in base sequence and sometimes a change
in amino acid sequence.
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b. Always a change in base sequence and always a change in
amino acid sequence.
c. Sometimes a change in base sequence and always a change
in amino acid sequence.
d. Sometimes a change in base sequence and sometimes a
change in amino acid sequence.
e. None of the above.
© 2026 Assignment
B Ans: The codon, UGA, would function as a stop codon on
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a. tRNA.
b. mRNA.
c. rRNA.
d. All of the above.
e. None of the above.
D Ans: Which would be a product of translation?
a. A new strand of DNA
b. rRNA
c. tRNA
d. A protein (polypeptide).
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e. None of the above.
A Ans: Which require(s) living donor and recipient cells?
a. Conjugation only
b. Conjugation and transformation
c. Transformation only
© 2026 Assignment
d. Conjugation and transduction
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e. Transduction only
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D Ans: Erectile dysfunction can be caused by
a. Carboxide.
b. Ultraviolet light.
c. Caffeine.
d. Cigarette smoke.
e. All of the above.
B Ans: The following use(s) sex pheromones
a. Gram negative conjugation
b. Gram positive conjugation
c. Gram negative and Gram positive conjugation
UARK Microbiology Exam 3
Questions and Answers (100%
Correct Answers) Already Graded A+
B Ans: The enzyme that is responsible for synthesizing RNA is
© 2026 Assignment
a. DNA phosphorylase.
Guru01 - Stuvia
b. Transcriptase.
Expert
c. DNA ligase.
d. RNA ligase.
e. DNA synthase.
D Ans: DNA DIRECTLY participates in which of the following?
a. Replication, transcription and translation
b. Conservative replication
c. Transcription and translation
d. Replication and transcription
e. None of the above.
, 2
B Ans: Genetics and metabolism are tied together by the fact
that
a. The genes code for phenotypic characteristics that result in
proteins being produced.
b. The genes code for enzymes that catalyze reactions that
result in characteristics.
c. The proteins code for genes that result in enzymes that
© 2026 Assignment
catalyze reactions.
d. The enzymes catalyze reactions that produce proteins.
Guru01 - Stuvia
Expert
e. None of the above.
D Ans: All of the following bases are found in RNA except
a. Adenine.
b. Cytosine.
c. Guanine.
d. Thymine.
e. Uracil.
A Ans: A silent mutation is
a. Always a change in base sequence and sometimes a change
in amino acid sequence.
, 3
b. Always a change in base sequence and always a change in
amino acid sequence.
c. Sometimes a change in base sequence and always a change
in amino acid sequence.
d. Sometimes a change in base sequence and sometimes a
change in amino acid sequence.
e. None of the above.
© 2026 Assignment
B Ans: The codon, UGA, would function as a stop codon on
Guru01 - Stuvia
Expert
a. tRNA.
b. mRNA.
c. rRNA.
d. All of the above.
e. None of the above.
D Ans: Which would be a product of translation?
a. A new strand of DNA
b. rRNA
c. tRNA
d. A protein (polypeptide).
, 4
e. None of the above.
A Ans: Which require(s) living donor and recipient cells?
a. Conjugation only
b. Conjugation and transformation
c. Transformation only
© 2026 Assignment
d. Conjugation and transduction
Guru01 - Stuvia
e. Transduction only
Expert
D Ans: Erectile dysfunction can be caused by
a. Carboxide.
b. Ultraviolet light.
c. Caffeine.
d. Cigarette smoke.
e. All of the above.
B Ans: The following use(s) sex pheromones
a. Gram negative conjugation
b. Gram positive conjugation
c. Gram negative and Gram positive conjugation
