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Microbiology exam 1 Questions with complete solution

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  • Microbiology
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  • Microbiology

Microbiology exam 1 Questions with complete solution which of the following scientists used a swan- neck flask to successfully refute spontaneous generation? - correct answer louis pasteur Which of these physicians were most critical to the development of aseptic technique? - correct answer ...

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  • August 11, 2024
  • 20
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Microbiology
  • Microbiology

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Microbiology exam 1- Gamble
which of the following scientists used a swan- neck flask to successfully refute
spontaneous generation? - correct answer ✔louis pasteur


Which of these physicians were most critical to the development of aseptic
technique? - correct answer ✔Lister and Semmelweis


What are Robert Koch's Postulates used for - correct answer ✔Linking a
specific organism to a specific disease.


Which of these is most consistent with Jenner and Pasteur's purpose of
vaccination?


Prevent the person from ever encountering a disease organism


Allow the vaccine to course through the body and kill disease organisms


Expose the body to a mild form of a disease to prevent a more serious form


Establish the cause of a disease


Not to help the person who is vaccinated, but to prevent spread to others -
correct answer ✔Expose the body to a mild form of a disease to prevent a
more serious form


Which of the following is NOT a subject of investigation by microbiologists?

,Viruses


Fungi


Bacteria


Algae


All of these are studied by microbiologists - correct answer ✔All of these are
studied by microbiologists


The theory of spontaneous generation states that: - correct answer ✔living
organisms arise from non-living sources


Which of the following is not one of Koch's postulates, which provides a
method of linking a specific organism to a particular disease?


The specific causative agent must be found in every case of the disease.


The specific causative agent must be viewable under the microscope.


The disease organism must be isolated in pure culture.


Inoculation of a sample of the culture into a healthy, susceptible animal must
produce the same disease.

, The disease organism must be recovered from the inoculated animal. - correct
answer ✔The specific causative agent must be viewable under the
microscope.


Which of the following scientists first observed 'animicules' under a
microscope? - correct answer ✔Anton Van Leeunwenhoek


A mixture with one or more solutes evenly distributed throughout a solvent is
referred to as a: - correct answer ✔solution


The smallest chemical unit of matter is an - correct answer ✔atom


When atoms share pairs of electrons this is known as a/an ________ bond. -
correct answer ✔covalent


What applies specifically to atoms or molecules that possess an electrical
charge? - correct answer ✔ions


Which of the following solutions is considered most alkaline?
a. pH=7
b. pH=3
c. pH=10
d. pH=2
e. pH=9 - correct answer ✔c


The catabolism of the disaccharide lactose into the monosaccharides glucose,
and galactose is what type of chemical reaction? - correct answer ✔catabolic

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