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SCSU BIO120 Exam I(Microbiology (BIO120) course at Southern Connecticut State University) fully solved CA$26.29
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SCSU BIO120 Exam I(Microbiology (BIO120) course at Southern Connecticut State University) fully solved
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SCSU BIO120 Exam I(Microbiology (BIO120) course at Southern Connecticut State University) fully solved

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  • October 1, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
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  • scsu bio120 exam imicrobiology bio120 course at

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SCSU BIO120 Exam I(Microbiology
(BIO120) course at Southern
Connecticut State University)

Microorganisms - correct answer ✔✔Minute living organisms that you are unable to see with the naked
eye



Microbiology - correct answer ✔✔The study of microorganisms



Prokaryotes - correct answer ✔✔• Cells that have no internal membranes or internal organelles

• Made up of bacteria and archaea



Eukaryotes - correct answer ✔✔Organisms whose cells contain a membrane bound nucleus and other
organelles



Bacteria - correct answer ✔✔• Middle sized microorganisms

• Capable of independent replication

• Cause of most infections seen in the hospital

• Many different species



Protists - correct answer ✔✔• Single-celled eukaryotic organisms

• The largest that is being studied

• Found in soil and water



Obligatory Intracellular Parasites - correct answer ✔✔What viruses are, meaning that they absolutely
require living host cells in order to multiply

,Virion - correct answer ✔✔A complete, fully developed, infectious viral particle composed of nucleic
acid and surrounded by a protein coat outside its host



How are living things classified? - correct answer ✔✔Kingdom, phylum, genus, species



Which classifications contain microorganisms? - correct answer ✔✔Genus and species



How are viruses different from other microorganisms? - correct answer ✔✔They require a host in order
to reproduce.



What are some roles of microorganisms other than disease? - correct answer ✔✔Industrial use such as
food production, vitamins, and antibiotics. Within the human body it protection, digestion, and vitamin
synthesis.



Eukaryotes are divided into? - correct answer ✔✔Everything but prokaryotes



Order viruses, eukaryotes, and bacteria by size - correct answer ✔✔Smallest to largest: viruses →
bacteria → eukaryotes



What are some roles of microorganisms? - correct answer ✔✔• Disease

• Industrial uses: food production, vitamins, antibiotics

• Protection, digestion, vitamin synthesis within the human body



Cell Theory - correct answer ✔✔Cells are the fundamental unit of life and carry out the basic functions
of living things



Spontaneous Generation - correct answer ✔✔Early belief that some forms of life came from vital forces
present in nonliving or decomposing matter

(ex. flies from manure)



Germ Theory of Disease - correct answer ✔✔Many diseases are caused by the growth of microbes in the
body and not by sins

, Koch's Postulates - correct answer ✔✔The 4 steps necessary to confirm if a suspected pathogen is
indeed the cause of a disease

1. Pathogen must be present in every case of the disease

2. The pathogen must be isolated from the diseased host and grown in pure culture

3. The specific disease must be reproduced when a pure culture of the pathogen is inoculated into a
healthy susceptible host

4. The pathogen must be reisolated from the experimentally infected host



How did Pasteur disprove the theory of spontaneous generation? - correct answer ✔✔He showed that
microbes caused fermentation and spoilage through his swan neck flask experiment



Organelles - correct answer ✔✔• Nucleus

• Mitochondria

• Vacuoles



Membrane-bounded Organelles - correct answer ✔✔• Nucleus = eukaryotes

• Mitochondria = eukaryotes



Vacuoles - correct answer ✔✔Temporary storage for substances such as proteins, sugars, organic acids,
and inorganic ions; found in eukaryotic cells



Mitochondria - correct answer ✔✔Serves as the power house of the cell because of their role in ATP
(energy); found in eukaryotic cells



Nucleus - correct answer ✔✔Enclosed in a double membrane and contains most of the DNA of the cell;
found in eukaryotic cells



Nucleoid - correct answer ✔✔A region in a prokaryotic cell where the DNA is found



Cell Wall - correct answer ✔✔Protects cells from bursting

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