Microbiology Final Exam

37 Questions  I  By Fcspace
Microbiology final exam

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