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BIOL 203, Microbiology LCC (Final) With Questions And 100% CORRECT ANSWERS
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JACKLINEBIOL 203, Microbiology LCC (Final) With Questions And 100% CORRECT ANSWERS
Terms in this set (422)
1. Bacteria- prokaryotic
There are two cell types - prokaryotic and 2. Archaea- prokaryotic
eukaryotic. List the 7 classes or basic types of 3. Algae- eukaryotic
microorganisms and identify each as prokaryotic, 4. Fungi- eukaryotic
eukaryotic, both prokaryotic and eukaryotic, or 5. Protozoa- eukaryotic
neither. 6. Helminthes- eukaryotic
7. Viruses- neither
A bacterial endospore is an organism that is able to survive in extreme conditions due to their
tough structure.
What is a bacterial endospore? Explain how
Endospore-forming bacteria could cause scientists to believe in spontaneous generation
endospore-forming bacteria could cause a
because, they can survive in extreme conditions that would normally kill bacteria. In spontaneous
scientist to believe in spontaneous generation.
generation, it is said that living things appear from vital forces existing in nonliving or
decomposing matter, but there could be bacterial endospore living in that situation without the
scientists knowing.
BIOL 203, Microbiology LCC (Final)
1/18
, Organisms are placed in the Three Domain classification system by using the three main
branches, "Bacteria," Archaea," and "Eukarya." They are placed in each domain based on what
kind of cell they are (eukaryotic and prokaryotic). Although prokaryotic cells are both Domain
Bacteria and Domain Archaea, the members of the Domain Archaea are very different from the
ones in Domain Bacteria as they are able to live in severe environments and are also able to
Describe how organisms are placed in the Three
produce metabolic byproducts.
Domain (Woese-Fox) classification system vs how
organisms are placed in the Five Kingdom
Organisms are placed in the Five Kingdom classification system by using certain levels that the
(Traditional Wittaker) classification system. Which
organisms need to pass in order to go on to the next level. The bottom level is the domain and
classification system is more useful to a
the organism works its way up to the top level, which is species.
microbiologist and why?
It is more useful for a microbiologist to use the Three Domain classification system because it
classifies organisms into smaller classifications rather than being broad. The Five Kingdom
classification system is more observation based while the Three Domain classification system is
more DNA based.
An electron microscope must be used to see most viruses because viruses are too small to be
seen by the optical microscope. The electron microscope has a magnification of 5,000X to
Why must an electron microscope be used to see
1,000,000X and it does not use light.
most viruses? Why can't they be seen using a light
microscope?
Viruses can't be seen using a light microscope because light microscopes do not have as much
magnification as the electron microscope and you will not be able to see the viruses.
We have an expert-written solution to this problem!
What is the difference between a mixed culture The difference between a mixed culture and a pure culture of microbes is that a mixed culture are
and a pure culture of microbes? multiple species growing in a container while a pure culture is one species growing in a container.
Mannitol Salt Agar and MacConkey Agar are two Selective- Contains one or more agents that restrain growth of a certain microbe(s) but urge the
examples of media that is both selective and growth of another.
differential. In your own words describe what
selective and differential mean. Differential- Allows several types of microbes to grow and show differences among themselves.
We have an expert-written solution to this problem!
All bacteria make humans ill. False
In the three domain classification system, all False
prokaryotic cells are grouped into Monera.
Angelina Hesse suggested adding _____ as a Agar
thickener to broth in order to make solid media.
BIOL
Koch's postulates were used 203, Microbiology LCC (Final)
to definitively link one microorganism to one disease.
2/18
, 8/30/24, 6:48 AM
In this class of microorganisms, all members are bacteria
prokaryotes.
The theory that states life can arise from nonliving spontaneous generation
things and would explain an infection by stating
that first the body would be in a diseased state
after which microorganisms would appear is
How would you correctly abbreviate Helicobacter H. hepaticus
hepaticus?
Which of the following class(es) of Helminthes
microorganisms can exist as a multicellular Algae
lifeform? (Select all that apply.) Fungi
fungi
Which of the following classes of microorganisms
algae
are made up of eukaryotic cells? (Select all that
helminthe
apply.)
protozoa
fungi
bacteria
Which of the following classes of microorganisms
viruses
contain even one member that can make humans
protozoa
sick?
algae
helminthes
Bacteria are typically larger in size than viruses. true
Microbes are ubiquitous. true
Characteristics that all living organisms have is; they are made of cells, they have a metabolism,
they have reproduction abilities, they are able to grow and develop, they are able to move, and
What characteristics do all living organisms have?
they have cell support, protection, and mechanisms.
Do you agree that viruses are not living? Why or
why not?
I agree that viruses are not living, this is because they are not cells. One of the characteristics of
being a living organism is that they need to be made of cells.
We have an expert-written solution to this problem!
BIOL 203, Microbiology LCC (Final)
3/18
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