Microbiology Exam 2

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Microbiology Exam 2 What is microbiology? The study of microorganisms - most exist as single cells/ clusters of cell that are able to independently carry on all of the necessary processes of ... life to grow and divide - some are multicellular such as kelp and parasitic worms Acellular microorganisms (viruses) can only reproduce... by infecting other organisms What percent of life is microorganisms? over 99% What kind of logic best explains biology, and what is it? Circular logic: the end is the beginning for either the same cycle or for the next part of the cycle This type of logic can be applied to all of life (ex. mitosis) What are the three domains of life and which one is not know to cause any disease? Bacteria, Archaea, Eukarya Archaea is not known to cause any disease What is nitrogen fixation and why is it important? Nitrogen from the atmosphere is converted into a usable form of nitrogen for organisms. Without it, plants would not be able to grow What organisms are primarily responsible for nitrogen fixation? nitrogen fixing bacteria What is (Claviceps purpurea)? [Show More]

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