BIOL3200 EXAM1 QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
What is a microbe?
a living organism that requires a microscope to be seen
Microbial cells range in size from millimeters to
0.2 micrometers
Each microbe contains in its genome the capacity to ____________ its own kind
reproduce
What are the exceptions to what is a microbe?
Supersize microbial cells (Thiomargarita namibiensis), Microbial communities (biofilms),
Viruses (mimivirus)
Can smaller cells than 0.2 micrometers be discovered?
no
What factors determine the minimum size of a cell?
housing their genome (DNA or RNA ), proteins, carbohydrates, lipids, etc.
Which domains are microbes found in?
Archaea, Bacteria, Eukarya
Florence Nightingale devised a _____________ to show the deaths of soldiers due
to various causes
polar area chart
Disease in warfare was first recognized by _______________
,Florence Nightingale
Who built the first compound microscope?
Robert Hooke
Robert Hooke coined this term?
cell
Robert Hooke published the first manuscript that illustrated objects under the
microscope called?
Micrographia
What did Leeuwenhoek build?
a single-lens magnifiers, complete with sample holder and focus adjustment
Who called microbes "small animals"
Leeuwenhoek
What is spontaneous generations?
the theory that living creatures could arise without parents; arise from nothing
Who showed that maggots in decaying meat were the offspring of flies?
Francesco Redi
What experiment did Francesco Redi perform?
meat in jar experiment
What experiment did Lazzaro Spallanzani perform
meat broth experiment
In the meat broth experiment, microbes were _____________ when the flask was
capped
not present
, In the meat broth experiment, microbes were _____________ when the flask was
open to air
present
Why was the meat broth experiment rejected?
organisms require air to survive so capping it prevented that
Who devised the "swan-neck" flask?
Louis Pasteur
The swan neck flask experiment disproved _______________ and proposed
__________
spontaneous generation; biogenesis
Explain the Germ Theory of Disease
that many diseases are caused by microbes
Who published a link between infections and microorganisms
Robert Koch
Koch demonstrated chain of infection, or transmission of a disease using
__________
anthrax
Koch, to prove a particular bacterium caused a specific disease, a pure
_________________ were needed
culture of microorganisms
What diseases did Koch apply his methods to?
anthrax & tuberculosis, bubonic plague, malaria
COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE
What is a microbe?
a living organism that requires a microscope to be seen
Microbial cells range in size from millimeters to
0.2 micrometers
Each microbe contains in its genome the capacity to ____________ its own kind
reproduce
What are the exceptions to what is a microbe?
Supersize microbial cells (Thiomargarita namibiensis), Microbial communities (biofilms),
Viruses (mimivirus)
Can smaller cells than 0.2 micrometers be discovered?
no
What factors determine the minimum size of a cell?
housing their genome (DNA or RNA ), proteins, carbohydrates, lipids, etc.
Which domains are microbes found in?
Archaea, Bacteria, Eukarya
Florence Nightingale devised a _____________ to show the deaths of soldiers due
to various causes
polar area chart
Disease in warfare was first recognized by _______________
,Florence Nightingale
Who built the first compound microscope?
Robert Hooke
Robert Hooke coined this term?
cell
Robert Hooke published the first manuscript that illustrated objects under the
microscope called?
Micrographia
What did Leeuwenhoek build?
a single-lens magnifiers, complete with sample holder and focus adjustment
Who called microbes "small animals"
Leeuwenhoek
What is spontaneous generations?
the theory that living creatures could arise without parents; arise from nothing
Who showed that maggots in decaying meat were the offspring of flies?
Francesco Redi
What experiment did Francesco Redi perform?
meat in jar experiment
What experiment did Lazzaro Spallanzani perform
meat broth experiment
In the meat broth experiment, microbes were _____________ when the flask was
capped
not present
, In the meat broth experiment, microbes were _____________ when the flask was
open to air
present
Why was the meat broth experiment rejected?
organisms require air to survive so capping it prevented that
Who devised the "swan-neck" flask?
Louis Pasteur
The swan neck flask experiment disproved _______________ and proposed
__________
spontaneous generation; biogenesis
Explain the Germ Theory of Disease
that many diseases are caused by microbes
Who published a link between infections and microorganisms
Robert Koch
Koch demonstrated chain of infection, or transmission of a disease using
__________
anthrax
Koch, to prove a particular bacterium caused a specific disease, a pure
_________________ were needed
culture of microorganisms
What diseases did Koch apply his methods to?
anthrax & tuberculosis, bubonic plague, malaria
