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Microbiology Final Exam prep 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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Microbiology Final Exam prep 2024 Questions and Answers 2024 / 2025 (Verified Answers by Expert)
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Microbiology Final Exam prep.pdf file:///C:/Users/HP/Desktop/TYPA%20NEW/Microbiology%20FinMicrobiology Final Exam prep
1. In the nitrogen cycle, which of the following steps involves removal ofnitrogen
from the atmosphere by bacteria?
ANS nitrogen fixation
2. If enough H+ions are added to pure water to raise the H+ concentration ofthe
solution to ten times higher than the original concentration, what is the resulting OH-
concentration of the solution?
ANS 10^-8 M
3. Fungi are able to reproduce asexually by creating conidiospores and spo-rangiospores.
Which of the following is an accurate explanation for why it is advantageous that they are
also capable of sexual reproduction?
ANS Offspring from two parents may have variations in form and function that contribute to
survivalof the species.
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4. In a laboratory bacterial cell culture that has been infected by a virus, plaques are
areas in which
ANS the virus has spread and left behind the remains ofdead cells.
5. The sun's energy is delivered as discrete packets that travel as waves andare called
ANS Photons
6. Which of the following is a characteristic of aerobic respiration?
ANS The process includes glycolysis, the Krebs cycle, and the electron transport chain.
7. In completing protein synthesis in a prokaryote, what basic message is carried by a
specialized codon that has no corresponding tRNA?
ANS "Terminatehere."
8. Microbial drug resistance can be caused by mutations or by introduction ofnew genes
into a population. Which of the following can only be caused by the introduction of new
genes into a population?
ANS New enzymes that inactivatethe drug are synthesized
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9. Why do the hands, feet, and breasts have more lymphatic vessels for hostdefense than
other areas of the human body?
ANS They have a high risk for infectiondue to frequent contact
10. Penicillin functions as an antimicrobial agent by inhibiting bacterial
ANS cellwall synthesis
11. Which class of eukaryotic microorganisms can be subdivided into groupssuch as
Mastigophora, Sarcodina, Ciliophora, and Apicomplexa?
A. Helminths
B. Algae
C. Protozoa
D. Fungi
ANS C. Protozoa
12. Genetic material can be excised from one chromosome and directly inte-grated into
another via
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