MICROBIOLOGY STRAIGHTERLINE FINAL EXAM QUESTIONS AND
final exam straighterline microbiology
CORRECT ANSWERS (WELL DETAILED AND VERIFIED ANSWERS)
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1. In the nitrogen cycle, which of the following steps Nitrogen Fixation
involves removal of nitrogen from the atmosphere by
bacteria?
2. If enough H+ ions are added to pure water to raise the 10-8 M
H+ concentration of the solution to ten times higher
than the original concentration, what is the resulting
OH- concentration of the solution?
3. Fungi are able to reproduce asexually by creating coni- Offspring from two par-
diospores and sporangiospores. Which of the follow- ents may have variations
ing is an accurate explanation for why it is advanta- in form and function that
geous that they are also capable of sexual reproduc- contribute to survival of
tion? the species.
4. In a laboratory bacterial cell culture that has been the virus has spread and
infected by a virus, plaques are areas in which... left behind the remains of
dead cells.
5. The sun's energy is delivered as discrete packets that Photons
travel as waves and are called
6. What is a characteristic of aerobic respiration? The process includes gly-
colysis, the Krebs cycle,
and the electron transport
chain.
7. In completing protein synthesis in a prokaryote, what "Terminate here."
basic message is carried by a specialized codon that
has no corresponding tRNA?
8. Microbial drug resistance can be caused by mutations
or by introduction of new genes into a population.
, final exam straighterline microbiology
Study online at https://quizlet.com/_79guxj
Which of the following can only be caused by the new enzymes that inacti-
introduction of new genes into a population? vate the drug are synthe-
sized
9. Why do the hands, feet, and breasts have more lym- They have a high risk for
phatic vessels for host defense than other areas of the infection due to frequent
human body? contact.
10. Penicillin functions as an antimicrobial agent by in- cell wall synthesis.
hibiting bacterial...
11. Which class of eukaryotic microorganisms can be sub- Protozoa
divided into groups such as Mastigophora, Sarcodina,
Ciliophora, and Apicomplexa?
12. Genetic material can be excised from one chromo- transposons
some and directly integrated into another via...
13. What immune cell secretes numerous cytokines that TH cell
help to coordinate the response of other immune
cells?
14. What enzymes are used to amplify DNA during PCR? DNA polymerase
15. Which of the following is a scientific name? Streptococcus pyogenes
16. Eosin-methylene blue agar, or EMB, is a commonly differential and selective
used bacteriological medium for growing gram-nega-
tive bacteria from complex environments. It contains
two dyes, eosin and methylene blue, as well as the
sugar lactose. Eosin is a pH indicator that changes col-
or when the medium is acidic, while methylene blue
inhibits the growth of most gram-positive bacteria. If
an organism consumes lactose, acid will be produced,
, final exam straighterline microbiology
Study online at https://quizlet.com/_79guxj
causing the bacterial colonies to change color.
Based upon this description, this medium is ______
17. A diagram of the three domains (Bacteria, Archaea, branching off the Domain
Eukarya) proceeding from the Last Universal Common Eukarya.
Ancestor would show Archaea
18. In the cell cytoplasm, molecules of ATP are a solute
19. The _____ of the microscope holds and allows selection nosepiece
of the objective lenses.
20. Characteristics shared by all cells include the presence of cellular
fluid, the possession of
genetic information, and
a membrane serving as a
cell boundary.
21. Anything that occupies space and mass is called... matter
22. Trees of life illustrate the phylogenetic relationships of Morphology; nucleic acid
all organisms were traditionally based on _____; newer sequences
methods for determining phylogeny rely on _____.
23. Covalent bonds result from sharing elec-
trons
24. One nucleotide contains one phosphate, pentose sug-
ar, nitrogen base
25. Among the types of microorganisms, the ___. are non- viruses
cellullar
26. Bioremediation
final exam straighterline microbiology
CORRECT ANSWERS (WELL DETAILED AND VERIFIED ANSWERS)
Study online at https://quizlet.com/_79guxj
1. In the nitrogen cycle, which of the following steps Nitrogen Fixation
involves removal of nitrogen from the atmosphere by
bacteria?
2. If enough H+ ions are added to pure water to raise the 10-8 M
H+ concentration of the solution to ten times higher
than the original concentration, what is the resulting
OH- concentration of the solution?
3. Fungi are able to reproduce asexually by creating coni- Offspring from two par-
diospores and sporangiospores. Which of the follow- ents may have variations
ing is an accurate explanation for why it is advanta- in form and function that
geous that they are also capable of sexual reproduc- contribute to survival of
tion? the species.
4. In a laboratory bacterial cell culture that has been the virus has spread and
infected by a virus, plaques are areas in which... left behind the remains of
dead cells.
5. The sun's energy is delivered as discrete packets that Photons
travel as waves and are called
6. What is a characteristic of aerobic respiration? The process includes gly-
colysis, the Krebs cycle,
and the electron transport
chain.
7. In completing protein synthesis in a prokaryote, what "Terminate here."
basic message is carried by a specialized codon that
has no corresponding tRNA?
8. Microbial drug resistance can be caused by mutations
or by introduction of new genes into a population.
, final exam straighterline microbiology
Study online at https://quizlet.com/_79guxj
Which of the following can only be caused by the new enzymes that inacti-
introduction of new genes into a population? vate the drug are synthe-
sized
9. Why do the hands, feet, and breasts have more lym- They have a high risk for
phatic vessels for host defense than other areas of the infection due to frequent
human body? contact.
10. Penicillin functions as an antimicrobial agent by in- cell wall synthesis.
hibiting bacterial...
11. Which class of eukaryotic microorganisms can be sub- Protozoa
divided into groups such as Mastigophora, Sarcodina,
Ciliophora, and Apicomplexa?
12. Genetic material can be excised from one chromo- transposons
some and directly integrated into another via...
13. What immune cell secretes numerous cytokines that TH cell
help to coordinate the response of other immune
cells?
14. What enzymes are used to amplify DNA during PCR? DNA polymerase
15. Which of the following is a scientific name? Streptococcus pyogenes
16. Eosin-methylene blue agar, or EMB, is a commonly differential and selective
used bacteriological medium for growing gram-nega-
tive bacteria from complex environments. It contains
two dyes, eosin and methylene blue, as well as the
sugar lactose. Eosin is a pH indicator that changes col-
or when the medium is acidic, while methylene blue
inhibits the growth of most gram-positive bacteria. If
an organism consumes lactose, acid will be produced,
, final exam straighterline microbiology
Study online at https://quizlet.com/_79guxj
causing the bacterial colonies to change color.
Based upon this description, this medium is ______
17. A diagram of the three domains (Bacteria, Archaea, branching off the Domain
Eukarya) proceeding from the Last Universal Common Eukarya.
Ancestor would show Archaea
18. In the cell cytoplasm, molecules of ATP are a solute
19. The _____ of the microscope holds and allows selection nosepiece
of the objective lenses.
20. Characteristics shared by all cells include the presence of cellular
fluid, the possession of
genetic information, and
a membrane serving as a
cell boundary.
21. Anything that occupies space and mass is called... matter
22. Trees of life illustrate the phylogenetic relationships of Morphology; nucleic acid
all organisms were traditionally based on _____; newer sequences
methods for determining phylogeny rely on _____.
23. Covalent bonds result from sharing elec-
trons
24. One nucleotide contains one phosphate, pentose sug-
ar, nitrogen base
25. Among the types of microorganisms, the ___. are non- viruses
cellullar
26. Bioremediation
