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Microbiology Final Exam

37 Questions  I  By Fcspace
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Microbiology final exam

  
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1.  Observed during the death phase, it presents successive waves of genetically distinct variants:
A.
B.
C.
D.
2.  What is Microbiology?
A.
B.
C.
D.
3.  What statement is not descriptive of the Log Exponential Phase
A.
B.
C.
D.
4.  The largest most diverse group of photosynthetic bacteria:
A.
B.
C.
D.
5.  Present outside the plasma membrane f organisms of domain Archaea:
A.
B.
C.
D.
6.  Protection against osmotic lyses is provided by:
A.
B.
C.
D.
7.  The first stage of prokaryotic cell division entails:
A.
B.
C.
D.
8.  Bacterial families whose optimal growth occurs between pH 0 and 5.5:
A.
B.
C.
9.  A student is asked by the professor to sub-culture a bacterial organism onto fresh media for future studies. However during sub-culturing the students locks the test tube preventing oxygen flow into the media. After days the culture dyes. What type of culture did the student have at land:
A.
B.
C.
D.
10.  Temperature below that of optimal growth cause bacterial cultures to:
A.
B.
C.
D.
11.  Internal structure of a prokaryotic cell that form small bodies with accumulation of cellular material:
A.
B.
C.
D.
12.  Which dye will be more likely to adhere to the surface of a gram positive bacteria?
A.
B.
C.
D.
13.  Organism that can only thrive at very specific concentrations of oxygen within a medium (2-10% oxygen):
A.
B.
C.
D.
14.  Gram positive bacteria stain:
A.
B.
C.
D.
15.  Recognize which of the following statements is FALSE:
A.
B.
C.
D.
16.  Thermophiles develop at temperatures between:
A.
B.
C.
D.
17.  Lacks a peptidoglycan cell wall and lives in extreme environments such as the hot springs of the Yellowstone Park:
A.
B.
C.
D.
18.  Which of the following is true about the lag phase:
A.
B.
C.
D.
19.  Which of the following is not considered a starvation response?
A.
B.
C.
D.
20.  Organelle responsible for the synthesis of protein in a eukaryotic cell:
A.
B.
C.
D.
21.  Which group do strict anaerobes partner with to find an environmental condition optimal for growth?
A.
B.
C.
D.
22.  What statement describes bacteria that stains "pink" after a Gram stain:
A.
B.
C.
D.
23.  Name associate to the presence of a cell wall and a capsule together in a bacterial cell:
A.
B.
C.
D.
24.  Bacterial growth phase where cellular division seems to have stopped or ceases for a period of time:
A.
B.
C.
D.
25.  Used on fastidious organisms that require defined known quantities of specific nutrients:
A.
B.
C.
D.
26.  Term that describes when light neither passes through or bounces off an object or is transmitted through them:
A.
B.
C.
D.
27.  What statement is NOT a reason for entering the stationary phase:
A.
B.
C.
D.
28.  Staining procedure designed for bacterial families with high lipid content and resistant to standard staining:
A.
B.
C.
D.
29.  Organelle responsible for the transport/delivery of ER products across different parts of the cell.
A.
B.
C.
D.
30.  Bacterial families whose optimal growth occurs between pH 5.5 and pH 7:
A.
B.
C.
31.  What component of the LPS structure acts as an exotoxin:
A.
B.
C.
D.
32.  A Pure Culture:
A.
B.
C.
D.
33.  Bacterial growth phase where a maximal rate of cellular division is obtained:
A.
B.
C.
D.
34.  Process of movement of bacteria towards or away from a particular stimulus or toxic agent:
A.
B.
C.
D.
35.  Contributes to the negative charge of Gram - bacteria:
A.
B.
C.
D.
36.  Bacterial type that presents teichoic acids associated to it's peptidoglycan cell wall:
A.
B.
C.
D.
37.  Organism too small to be seen with the naked eye:
A.
B.
C.
D.
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