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Microbiology Exam 1 Question and answers already passed

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  • Microbiology
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  • Microbiology

Microbiology Exam 1 Question and answers already passed glycosaminoglycan linked with short peptides to create a cell wall for bacteria; protects bacteria cells biofilm monosaccharide peptidoglycan glucose - correct answer peptidoglycan All bacteria are pathogenic, but not necessaril...

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  • August 11, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Microbiology
  • Microbiology

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Microbiology Exam 1
glycosaminoglycan linked with short peptides to create a cell wall for bacteria;
protects bacteria cells


biofilm
monosaccharide
peptidoglycan
glucose - correct answer ✔peptidoglycan


All bacteria are


pathogenic, but not necessarily microscopic
both microscopic and pathogenic
neither pathogenic, nor microscopic
microscopic, but not necessarily pathogenic - correct answer ✔microscopic,
but not necessarily pathogenic


______ are accumulations of more than one bacterial species on a solid
surface, such as catheters or teeth, which allow the microbes to grow and
flourish in an otherwise inhospitable environment. They can also make
treatment much more difficult given the number of different microbes present.


Cultures
Plaques
Biofilms
Colonies - correct answer ✔Biofilms

,Which of the following clinicians is notable in the history of microbiology for
developing a series of logical steps (postulates) designed to prove that a
given disease is caused by a specific microbe?


Louis Pasteur
Ferdinand Cohn
Robert Koch
Robert Hooke
Joseph Lister - correct answer ✔Robert Koch


Which of the following clinicians introduced the use of phenolic compounds
and other aseptic techniques within his operating room, virtually eliminating
the incidences of post-operative deaths attributable to microbial infections?


Joseph Lister
John Tyndall
Oliver Wendell Holmes
Ferdinand Cohn
Louis Pasteur - correct answer ✔Joseph Lister


The term _______ is used to describe a location or material that is known to
be completely free of living microbes, including bacterial endospores.


clean
aseptic
sterile
septic - correct answer ✔sterile

,Streptococcus pneumoniae is one of the leading causes of community-
acquired pneumonia and is particularly problematic in older adults. One
reason for its pathogenicity is its ability to avoid phagocytosis by host
leukocytes. This is accomplished through the production of _______ that
surrounds the cell.


spike protein
cyst
biofilm
capsule - correct answer ✔capsule


Primary Amoebic Meningoencephalopathy (PAM) has historically been
considered an untreatable, lethal infection. However, recent advances have
succeeded in saving patients suffering from PAM through the combined use of
therapeutic hypothermia and an anti-cancer drug called Miltefosine. The
causative agent of PAM is:


Enterobius vermicularis
Streptococcus pneumoniae
Candida albicans
Naegleria fowleri - correct answer ✔Naegleria fowleri


H1 and N3 are terms that refer to different kinds of __________________,
specialized structures used by the influenza virus to gain entry into a host cell


cysts
capsules
biofilms
spike proteins - correct answer ✔spike proteins

, Why is it necessary for clinicians to be able to view a worm's feeding
structures or its larvae?


All of these are correct
To identify the type of worm that is causing the infection
To more effectively eliminate the infection
To help determine the best course of treatment for the infection - correct
answer ✔All of these are correct


Which of the following Domains is represented entirely by prokaryotic
organisms? Choose all that apply


Fungi
Bacteria
Archaea
Protista
Eukarya - correct answer ✔Bacteria
Archaea


A _______________________ bond is one where electrons are shared
equally between atoms to create a more complex molecule.


ionic
hydrogen
non-polar covalent
polar covalent - correct answer ✔nonpolar covalent

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