bios 242 week 4 midterm exam bios242 week 4 midterm exam latest microbiology chamberlain college of nursing100 correct
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BIOS 242 Week 4 Midterm Exam
1. Question : Antoni van Leeuwenhoek was the first person in history to
Student
Answer: use a magnifying glass.
develop a taxonomic
system. view protozoa and
bacteria.
disprove spontaneous generation.
prove the germ theory.
Points Received: 0 of 1
Comments:
Question Question : Microbes that can live in the presence or absence of
2 oxygen are called
.
Student Answer:
anaerobes.
facultative
anaerobes. obligate
parasites. archaea.
prokaryotes. ]
Points Received: 1 of 1
Comments:
Question
Question : Which of the following scientists provided evidence in favor of
3
. the concept of spontaneous generation?
Student Answer:
pg. 1
, ner
P
Spallanz
a
a
s
t
e
u Points Received: 0 of 1
r
N
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pg. 2
, Comments:
Question Question : The microbial production of alcohol from sugar is known as
4
.
Student
Answer: fermentation.
pasteurization
. metabolism.
abiogenesis.
antisepsis.
Points Received: 1 of 1
Comments:
Question Question : Which of the following statements concerning Koch's
5 postulates is false?
.
Student
Answer: Koch's postulates cannot be used to demonstrate the cause
of all diseases.
A suspected pathogen must be able to be grown in the
laboratory.
All of Koch's postulates must be satisfied before an
organism can be proven to cause a particular disease.
Koch's postulates involve the experimental infection
of susceptible hosts.
A suspected pathogen must be found in the majority of
individuals with a particular disease.
Points Received: 0 of 1
Comments:
Question
Question : The study of the body's defenses against pathogens is called
6
.
Student
Answer: etiology.
pg. 3
, immunology.
chemotherapy.
molecular
biology.
epidemiology.
Points Received: 1 of 1
Comments:
Question
Question : Which of the following is NOT a characteristic of viruses?
7
.
Student
Answer: they are visible with a light
microscope. they are acellular.
they are composed of genetic material and protein.
they are smaller than prokaryotic cells.
they are obligatory parasites.
Points Received: 1 of 1
Comments:
Question
Question : Saccharomyces cerevisiae is an example of which of the
8
. following types of microbes?
Student
Answer: fungus
protozoan
prokaryot
e alga
virus
pg. 4
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