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Microbiology 1

Microbiology chapters 1

QuestionAnswer
4 Classes Of Cellular Macromolecules Proteins, nucleic acids, polysaccharides, lipids
6 Features of Living Organisms Movement, Metabolism, Reproduction, Differentiation, Evolution, and Communication
Cells as machines metabolism
cells as coding devices reproduction
Legumes Fix nitrogen for plant use
Robert Hooke First to see microorganisms
Antoni van Leeuwenhoek first to describe bacteria
Ferdinand Cohn founder of bacteriology and discovered bacterial endospores
Louis Pasteur Disproved Spontaneous generation
Robert Koch developed a set of postulates to prove that a specific organism is responsible for causing a specific disease
Koch's Postulates 1. Suspected pathogen in all sick organisms and absent in all healthy organisms. 2. Pathogen grown in pure culture 3. cells from a pure culture can cause same sickness in healthy animals. 4. Pathogen is isolated again and compared with pure culture.
Beijerinck, Winogradsky studied bacteria in soil and developed the enrichment culture technique
Chemolithotrophy aka Chemoautotrophy obtains energy from the oxidation of inorganic compounds
Enrichment Culture microorganisms are isolated from natural sample in a selective fashion, paying careful attention to nutrient and incubation requriements
Nitrogen Fixation This process consumes ATP but allows the cell to use gaseous nitrogen for all of its nitrogen needs
Created by: lilanimekid
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