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College Microbiology Questions

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College Microbiology
Which of the following statements regarding penicillin is true?
  1. Howard Foley discovered penicillin; Alexander Fleming produced penicillin on an industrial scale
  2. Selman Waksman discovered penicillin; Albert Schatz produced penicillin on an industrial scale
  3. Alexander Fleming discovered penicillin; Howard Foley produced penicillin on an industrial scale
  4. Albert Schatz discovered penicillin; Selman Waksman produced penicillin on an industrial scale
College Microbiology
Which is true regarding the permeability barrier in the bacterial membrane?
  1. It is the site of many proteins involved in transport, bioenergetics, and chemotaxis.
  2. It prevents leakage and functions as a gateway for transport of nutrients into/out of the cell.
  3. It is the site of generation and use of the proton motor force.
College Microbiology
Hib bacteria can live in the        Nose        and          Throat          of uninfected people and people who are affected by Hib.
College Microbiology
The Haemophilus influenzae has correlation with the influenza virus (the flu).
  1. True
  2. False
College Microbiology
Parasites that cause human malaria can be transmitted by:                                                  .
  1. Several genera of mosquitoes, including Anopheles
  2. Many species of mosquitoes in the genus Anopheles
  3. Sand flies
  4. Ticks
  5. All of the above
College Microbiology
Malaria parasites                                                            
  1. Reproduce asexually in most of its life stages
  2. Must undergo a sexual stage each time through the life cycle
  3. Recombine in meiosis only during stressful periods
  4. Undergo meiosis and recombination in the human liver
  5. a and b
  6. a and c
College Microbiology
The surface layers of bacteria include: capsule, cell wall, and cell membrane
  1. True
  2. False
College Microbiology
Antigens which provoke a highly specified immune response, that, in hummoral immunity, results in the production of antibodies that are compatible of recognizing the antigen that gave rise to them are known as                .
  1. Immunity
  2. Immunogens
  3. Immunology
  4. All the above
College Microbiology
What are the components of medical evaluation of TB?
  1. Medical History, Physical Examination; Tests for TB Infection; Chest x-ray; Bacteriological Examinations
  2. Symptom Evaluation and tuberculin skin test
  3. Physical Evaluation; Chest x-ray and Culture
  4. None of the Above
College Microbiology
What is the most important measure to prevent transmission of tuberculosis.
  1. Adequate ventilation
  2. Washing your hands
  3. Clean surfaces
  4. Affordable healthcare
College Microbiology
Which of the following statements are TRUE regarding Lucretius and Aristotle?
  1. Lucretius believed in "spontaneous generation"; Aristotle believed that disease was caused by invisible living creatures (a belief which prevailed ~2000 years)
  2. Lucretius believed that disease was caused by invisible living creatures; Aristotle believed in "spontaneous generation" (a belief which prevailed ~2000 years)
  3. Lucretius believed in "spontaneous generation" (a belief which prevailed ~2000 years); Aristotle believed that disease was caused by invisible living creatures
  4. Lucretius believed that disease was caused by invisible living creatures (a belief which prevailed ~2000 years); Aristotle believed in "spontaneous generation"
College Microbiology
There are more prokaryotes on earth than stars in the Universe.
  1. True
  2. False
College Microbiology
Which of the following is true regarding group translocation?
  1. It is driven by the energy in the proton motor force.
  2. It involves chemical modification of the transported substance driven by phosphoenolpyruvate.
  3. Periplasmic binding proteins are involved and energy comes from ATP.
College Microbiology
Which is true regarding energy conservation in the bacterial membrane.
  1. It is the site of many proteins involved in transport, bioenergetics, and chemotaxis.
  2. It prevents leakage and functions as a gateway for transport of nutrients into/out of the cell.
  3. It is the site of generation and use of the proton motor force.
College Microbiology
Which of the following is true regarding simple transport?
  1. It is chemical modification of the transported substance driven by phosphoenolpyruvate.
  2. Periplasmic binding proteins are involved, and energy comes from ATP.
  3. It is driven by the energy in the proton motor force.
College Microbiology
Order the following substances in order of potential for diffusion into a cell. Start with water, which is has the HIGHEST potential for diffusion, and end with the substance that has the LOWEST potential for diffusion. (order from highest to lowest potential).

1) water
2) sodium ion
3) potassium ion
4) chloride ion
5) glucose
6) glycerol
7) tryptophan
  1. 1, 2, 3, 4, 5, 6, 7
  2. 1, 6, 7, 5, 5, 2, 3
  3. 1, 6, 7, 5, 4, 3, 2
  4. 1, 3, 2, 5, 4, 6, 7
College Microbiology
Which is true regarding the protein anchor in the bacterial membrane?
  1. It is the site of many proteins involved in transport, bioenergetics, and chemotaxis.
  2. It prevents leakage and functions as a gateway for transport of nutrients into/out of the cell.
  3. It is the site of generation and use of the proton motor force.
College Microbiology
Haemophilus influenzae, is treated with antibiotics.
  1. True
  2. False
College Microbiology
Host manipulation is a microbial strategy in which the parasite alters host behavior in a way that significantly benefits the parasite.
  1. True
  2. False
College Microbiology
                epidemics sweep through populations with no prior exposure to a particular infectious disease and consequently no immunity to it.
  1. Virgin-soil
  2. Naive
  3. New
  4. Maiden
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