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Microbiology 210 Questions And Answers
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Microbiology 210 Questions And Answers
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Solution 2024/2025Pepper
Microbiology 210 Questions And Answers
Design an experiment to test a hypothesis. Clearly explain what is controlled, what is varied, and what is measured.
Predict what a graph should look like that supports or refutes the hypothesis. ANS✔✔
Predict the effects of removing all microbes from the following habitats: your body, the ocean, a farm, a forest. ANS✔✔
Your body: you can get sick faster
The ocean: 70% production of O2, fish no food and die
A farm: no crops
A forest: trees won't grow, less oxygen
Provide an argument for and against the statement "Viruses are not alive" ANS✔✔ They need host cell to reproduce.
They don't have a nucleus.
Can't live alone...be a loner...
They reproduce...makin babies...baby viruses
Describe the process by which you would determine the microbial group (bacteria, archaea, fungi, algae, protozoa, virus)
to which a "mystery microbe" belongs. Diagram your thought process in the form of a flow chart. ANS✔✔ Ask a yes or
no question...
categorize
branch it off
Give at least two examples of how the scientific method was used in the history of microbiology to develop concepts
that we use today in our everyday life. ANS✔✔ Causes of disease: ulcers
Food Poisoning
Describe the process by which you would use Koch's postulates to determine the pathogen causing an outbreak.
ANS✔✔ 1. correlate- presence of microbe w/ only diseased specimens
, Solution 2024/2025
Pepper
2. Isolate microbe into vitro
3. Infect a healthy lab animal w/ isolated microbe
4. Re-isolated- lab animal w/ disease and pathogen
Design a growth media to selectively isolate a microbe based on data about its environmental growth requirements.
ANS✔✔ Selective or Differential Media based on...
Archaea--> lives in extreme places such as hot or . cold
Bacteria--> everywhere! and its photosynthetic
Fungi--> lives in high salt/ sugar places or in a
moist tropical place. It does not MOVE!
Algae -->photosynthesis and their habitat is aquatic
Protozoa --> Chemoheterotrophs and they are known as the hunters and lives in soil/ water
Explain how the diversity of microbes has arisen on our planet through evolution. ANS✔✔ Evolution is the gradual
accumulation of changes in the genetic material (DNA) of a population of organisms which results in structural &
functional changes overtime.
Organisms evolve as populations in specific habitats = Diversity
Compare and contrast the structural characteristics of prokaryotic and eukaryotic microbes ANS✔✔ Eukaryotic:
-You
-True Nucleus
-Larger cell size
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