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Micro-Chapter 1

What is microbiology? the science or study of any living thing that cannot be seen with the unaided eye (the science or study of tiny life)
What is mycology? science or study of fungus
What is phycology? science or study of algae
What is resident flora? normal bacteria in and on the body
normal flora is also known as? microbiota
benefits of normal flora prevent overgrowth of harmful microbes, aid in digestion, help make vitamins
used thin slice of cork + crude microscope-->saw cells; first to coin the term 'cell' Robert Hooke
first to observe living cells under the microscope; "animalcules"--saw bacteria and protozoa Anton Von Leeuwenhoek
Who challenged spontaneous generation using maggots and rotting meat? Francesco Redi
Who disproved spontaneous generation? Louis Pasteur (swan-necked flask)
microbes roles on our planet and in our lives marine and freshwater microbes (food chains), soil microbes (nitrogen fixation, decomposition, bioremediation), O2 production (algae), food industry, medications
early pioneer of antiseptic procedures Semmelweis
accidentally created the first vaccine by injecting his workers with cowpox to prevent smallpox; this lead to research that created vaccines Edward Jenner
first to use chemicals (Phenol) to sterilize equipment and patient tissue during surgery to prevent contamination; coined the term 'Aseptic Technique' Joseph Lister
states that many diseases are caused by the presence and actions of specific microorganisms within the body germ theory
provided the scientific proof for germ theory; also developed technique for pure cultures ->big advances in microbiology Robert Koch
Koch's Postulates (criteria) Step 1-Microbes present in samples of diseased animal. Step 2-Grow organism in pure culture. Step 3-Inject healthy animal with cultured cells. Step 4-Animal develops same disease.
some bacteria make ____ which are resistant to heat and drying and some chemical treatments; boiling is not enough to destroy them endospores
introduces genes from another organism and use the bacteria as a production factory (insulin, growth hormone, clotting factors, vaccines) genetic engineering
refers to the size, shape, and arrangement of cells morphology
development of life from nonliving or decomposing matter spontaneous generation (or abiogenesis)
Pasteur's contributions to microbiology pasteurization; fermentation; vaccinations; disproved spontaneous generation
How did Pasteur disprove spontaneous generation? heat and swan-necked flask (air able to pass into flask but airborne microbes unable to pass into flask)
Created by: nurse savage