MIC+101+Exam+2+Version+A+Key (1) - Copy

MIC+101+Exam+2+Version+A+Key (1) - Copy - MIC 101 EXAM 2...

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MIC 101 EXAM 2 VERSION A SPRING 2011 1 Midterm examination Spring 2011 For your protection, put your name on the first page and on your SCANTRON together with your I.D. number. There are twelve pages to this examination, including the cover page. Answer the questions on the SCANTRON. Select the best answer. Mark your hardcopy with your answers for your records. Hand in the SCANTRON THIS IS EXAM FORMAT A Put this letter on your SCANTRON Before you begin working on your exam, take a moment to review these excerpts from the UC Davis Code of Academic Conduct: All members of the academic community are responsible for the academic integrity of the Davis campus … Examples of academic misconduct include: • receiving or providing unauthorized assistance on examinations • using unauthorized materials during an examination … • altering an exam and submitting it for re-grading … • using false excuses to obtain extensions of time The ultimate success of a code of academic conduct depends largely on the degree to which it is willingly supported by students themselves.
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MIC 101 EXAM 2 VERSION A SPRING 2011 2 Multiple Choice 1) Which chemical nutrient is NOT a requirement for the maintenance and growth of bacteria? A) Oxygen B) Iron C) Nitrogen D) Carbon E) All are required 2) Microbial growth is measured by what parameter? A) Increased cell size B) Increased size of cellular components C) Increase in total number of cells D) b and c E) a and b 3) Optimum growth conditions for bacteria are determined by the conditions that optimize bacterial: A) Membrane fluidity B) Enzymes C) DNA structure D) RNAse activity E) DNAase activity 4) Which of the following statements about endospores is TRUE? A) Endospore formation in some bacteria occurs because of environmental stressors such as a limiting nutrient or extremes in pH. B) Endospore formation in bacteria is a means of reproduction. C) Endospore formation occurs in Bacillus , Clostridium , and a few other Gram-positive genera. D) When favorable conditions are restored, endospores undergo germination or development into a vegetative cell. E) A, C, and D 5) MacConkey agar contains the dye, crystal violet, that inhibits the growth of Gram- positive bacteria and also contains lactose and a pH indicator that allow the detection of lactose-fermenting bacteria. MacConkey agar is classified as: A) Differential, selective B) Complex, selective C) Defined, selective, differential D) Differential E) Regulatory, selective
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MIC 101 EXAM 2 VERSION A SPRING 2011 3 6) Which of the following bacterial groups would you expect to be MOST likely associated with human infections? A) Thermophiles B) Lactophiles C) Psychrophiles D) Psychotroph E) Mesophiles Figure 2.1 7) Which growth phase(s) in Figure 2.1 represents the period when bacteria are most sensitive to antibiotics? A) A
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MIC+101+Exam+2+Version+A+Key (1) - Copy - MIC 101 EXAM 2...

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