MBIO 3401 TEST BANK EXAM 1 (PRINCIPLES OF
MICROBIOLOGY) | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | LATEST EXAM 2025
| GRADED A+\\NEWEST VERSION !!
What is a microbe? How A microbe is a living organism that requires a
small does an organism microscope to be seen. Microbe diameter must be
have to be to be less than 0.15 mm.
considered a microbe?
True or false: Some True.
microbes can consist of a
single cell.
A ___ is the total genetic Genome.
information contained in
an organism's
chromosomal DNA.
What developed the first Fred Sanger.
method of DNA
sequencing fast enough to
sequence large genomes?
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,5/16/25, 6:55 AM MBIO 3401 EXAM 1 (PRINCIPLES OF MICROBIOLOGY) | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS …
What is a collection of A metagenome.
sequences taken directly
from the environment
called?
Ture or false: Each True.
microbe has the capacity
to reproduce its own kind.
What is a cell community? Many of the same kind of cell.
No. Plant and animal cells cannot reproduce their own
Should plant and animal
kind indefinitely. Additionally, animal cells are
cells be considered
differentiated and do not exist as independently or as
microbes?
communities.
What types of organisms Bacteria, Archaea, Algae, Fungi, protists, and Viruses.
are considered microbes?
What 14th century disease bubonic plague.
was caused by microbes?
Florence Nightingale was the first to recognize the
significance of disease in warfare. She founded the
What is Florence
science of medical statistics and devised the polar
Nightingale famous for?
area chart to show that the deaths of soldiers was due
to various causes.
Built the first compound microscope.
What is Robert Hooke Coined the term "cell".
famous for? Published the first manuscript that illustrated objects
under the microscope.
First to observe single-cell microbes moving around.
He observed samples from his mouth under the
microscope, saw them moving around and called
What is Antonie Van
them small animals.
Leeuwenhoek famous for?
He built the first primitive microscope with the
intention to observe fine fabrics (he was a cloth
draper).
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, 5/16/25, 6:55 AM MBIO 3401 EXAM 1 (PRINCIPLES OF MICROBIOLOGY) | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANSWERS …
Who discovered the Louis Pasteur. He built a swan-neck flask and showed
microbial basis of that after boiling, the contents remain free of
fermentation? How did microbial growth despite access to air.
this person do this?
Francesco Redi: showed that maggots in decaying
meat were the offspring of flies.
What scientists disproved Lazzaro Spallanzani: showed that a sealed flask of
the theory of spontaneous meat broth sterilized by boiling failed to grow
generation of microbes? microbes.
Louis Pasteur: showed that after boiling, the contents
in the swan neck flask remain free of microbial growth.
Who is considered the Louis Pasteur.
Founding Father of
Microbiology?
What is the Germ Theory That many diseases are caused by microbes (most
of Disease? infectious diseases).
Who is the founder of the Robert Koch.
scientific method of
microbiology?
Koch's Postulates are a series of criteria (scientific
What is the purpose of
method) for whether a specific microbe is responsible
Koch's Postulates?
for a specific disease.
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