Microbiology Final Exam

37 Questions  I  By Fcspace on June 26, 2011
Microbiology final exam

  

Question Excerpt

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