Exam 4:
1. Which of the following pairs is mismatched?
A. DNA polymerase- makes a molecule of DNA from a DNA template.
B. RNA polymerase- makes a molecule of RNA from a RNA template.
C. DNA ligase- joins segments of DNA.
D. Helicase- unwinds and separates the two strands of DNA during DNA replication.
2. Which of the following statements are FALSE?
A. DNA polymerase adds nucleotides to the 3’ end only.
B. the leading strand of DNA is made continuously.
C. the two new strands must grow in different directions.
D. DNA replication proceeds in only one direction around the bacterial chromosome.
3. which of the following Is not a product of transcription?
A. a new strand of DNA
B. proteins
C. Okazaki fragments
D. mRNA
4. in essentially all organisms AUG codon codes for?
A. the initiation of translation
B. the termination of transcription
C. the termination of chain of elongation
D. the amino acid valine
5.
UUA leucine UAA Nonsense (stop)
GCA Alanine AAU Asparagine
AAG Lysine UGC Cysteine
GUU Valine UCG,UCU Serine
Refer to the table above. If the sequence of amino acids in a protein is serine-alanine-lysine-
leucine, what is the order of bases in a strand of DNA base pairing rule, work back words from
RNA to DNA?
A. 5’ TGTGCTTTCTTA
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, B. 3’ AGACGTTTCAA
6. Referring to growing viruses in the lab, a clear area against confluent “lawn” of bacteria called
a?
A. phage B. colony c. cell lysis D. plaque
7. Biotechnology is:
A. used of microorganisms to make desired products. B. use of microorganisms to make
vaccines
C. use of microorganisms to make antibiotics D. all of the above
8. A plasmid can be used as a vector to move pieces of DNA among organisms, such as bacterial
cells.
A. True B. False
9. the definition of lysogeny is
A. phage DNA is incorporated into host cell DNA B. lysis of the host cell due to phage
C. the period during replication when virions are not present
10. which of the following statements about viruses is FALSE?
A. viruses contain DNA or RNA but never both. B. viruses contain a protein coat.
C. viruses use the anabolic machinery of the host cell. D. viruses use their own catabolic
enzymes.
11. an infectious protein is a:
A. bacteriophage B. prion C. retrovirus D. viroid
12. the major significance of Robert Koch’s work is that
A. microorganisms are always present in a diseased animals
B. all diseases must be transmitted from one animal to another
C. all microorganisms can be cultured in laboratory
D. microorganisms cause disease
13. symptoms of disease differ from signs of disease in that symptoms
A. changes in the body function felt by the patient. B. changes in the body observed
by doctor
C. are nonspecific for a particular disease. D. are the same as syndrome
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1. Which of the following pairs is mismatched?
A. DNA polymerase- makes a molecule of DNA from a DNA template.
B. RNA polymerase- makes a molecule of RNA from a RNA template.
C. DNA ligase- joins segments of DNA.
D. Helicase- unwinds and separates the two strands of DNA during DNA replication.
2. Which of the following statements are FALSE?
A. DNA polymerase adds nucleotides to the 3’ end only.
B. the leading strand of DNA is made continuously.
C. the two new strands must grow in different directions.
D. DNA replication proceeds in only one direction around the bacterial chromosome.
3. which of the following Is not a product of transcription?
A. a new strand of DNA
B. proteins
C. Okazaki fragments
D. mRNA
4. in essentially all organisms AUG codon codes for?
A. the initiation of translation
B. the termination of transcription
C. the termination of chain of elongation
D. the amino acid valine
5.
UUA leucine UAA Nonsense (stop)
GCA Alanine AAU Asparagine
AAG Lysine UGC Cysteine
GUU Valine UCG,UCU Serine
Refer to the table above. If the sequence of amino acids in a protein is serine-alanine-lysine-
leucine, what is the order of bases in a strand of DNA base pairing rule, work back words from
RNA to DNA?
A. 5’ TGTGCTTTCTTA
This study source was downloaded by 100000853497421 from CourseHero.com on 06-20-2023 15:04:37 GMT -05:00
https://www.coursehero.com/file/62329984/final-in-microdocx/
, B. 3’ AGACGTTTCAA
6. Referring to growing viruses in the lab, a clear area against confluent “lawn” of bacteria called
a?
A. phage B. colony c. cell lysis D. plaque
7. Biotechnology is:
A. used of microorganisms to make desired products. B. use of microorganisms to make
vaccines
C. use of microorganisms to make antibiotics D. all of the above
8. A plasmid can be used as a vector to move pieces of DNA among organisms, such as bacterial
cells.
A. True B. False
9. the definition of lysogeny is
A. phage DNA is incorporated into host cell DNA B. lysis of the host cell due to phage
C. the period during replication when virions are not present
10. which of the following statements about viruses is FALSE?
A. viruses contain DNA or RNA but never both. B. viruses contain a protein coat.
C. viruses use the anabolic machinery of the host cell. D. viruses use their own catabolic
enzymes.
11. an infectious protein is a:
A. bacteriophage B. prion C. retrovirus D. viroid
12. the major significance of Robert Koch’s work is that
A. microorganisms are always present in a diseased animals
B. all diseases must be transmitted from one animal to another
C. all microorganisms can be cultured in laboratory
D. microorganisms cause disease
13. symptoms of disease differ from signs of disease in that symptoms
A. changes in the body function felt by the patient. B. changes in the body observed
by doctor
C. are nonspecific for a particular disease. D. are the same as syndrome
This study source was downloaded by 100000853497421 from CourseHero.com on 06-20-2023 15:04:37 GMT -05:00
https://www.coursehero.com/file/62329984/final-in-microdocx/
