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Microbiology Module 1 and 2 Questions and Answers Graded A+
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Microbiology Module 1 and 2
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Microbiology Module 1 and 2What was The Plague? When did it occur? - answer During 1346-1350, 1/3 of the
population were dying at a very short amount of time due to a disease.
How did the plague contribute to the birth of Microbiology? - answer Questioning about
what the cause of the Plague was led to the Renaissance which lead to the birth of
modern science.
Who was the first to see microorganisms? When? - answer Antonie Leeuwenhoek in
1674
How were bacteria discovered? - answer Antonie discovered bacteria from his own
teeth along with finding it on someone else's rotting teeth
What is the size range of bacteria? - answer1-10 micrometers
Why did the initial discovery of bacteria not lead to the Germ Theory of Disease? -
answerAntonie thought that rotting teeth was the cause of bacteria, and that wasn't the
case
Who developed the Germ Theory of Disease? - answerLouis Pasteur and Robert Koch
What caused the Plague? - answerDue to the overcrowding, there was a lot of filth
leading to the attraction of rats that brought fleas causing the bacteria yersinia pestis.
What are the three Domains of Life? - answerBacteria, Archaea, Eukarya
What are prokaryotes and eukaryotes? - answer-Prokaryotic cells= Contains no
nucleus, are smaller and simpler
Ex- bacteria and blue green algae
-Eukaryotic cells= Contains a nucleus, are larger and more complex, has more
organelles
Ex- Animals, plants, and fungi
-Both cells= grow, reproduce, respond to environment, two main categories of cells,
have cell membrane, store DNA, both are alive
How are bacteria and archaeans similar and different? - answerThey are both small (1-
10 micrometers) and prokaryotic. Bacteria is the most abundant life on earth, has cell
wall, and some causes diseases whereas archaea is unicellular, lives in extreme
environments, and does not cause diseases.
What are the four kingdoms of Eukarya? - answerAnimalia, plante, fungi, protista
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