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Microbiology Test I
n/a
26
Biology
Undergraduate 3
06/03/2009

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Term
Symbiotic Relationship
Definition
Beneficial to bacteria and us. Opportunistic: use you as food supply
Term
Applications of Microbiology
Definition
Food Production: cheese, yogurt
Bioremediation: degrade environmental waste
Synthesize products faster than machines: antibiotics
Genetic Engineering
Term
Human Insulin is made by..
Definition
E. Coli
Term
How many species of bacteria in and on human body?
Definition
500-1,000
Term
Bacteria outnumber cells in the body by
Definition
10:1
Term
Microbiology born as a science in...
Definition
1674
Term
Anthony Van Leeuwenhook
Definition
Dutch drapery merchant, ground lenses, first glimpse of microbial world, called organisms "animicules"
Term
Robert Hooke
Definition
equal credit with van Leeuwenhook for initiating science of microbiology
Term
Spontaneous Generation states...
Definition
Organisms can arise from non-living matter
Term
Scientists against spontaneous generation
Definition
Redi, Pasteur, Tyndall
Term
Francesco Redi
Definition
Italian biologist and physician. Worms found on rotting meat came from eggs of flies not s. generation by covering jars with gauze
Term
Vaccine
Definition
biological preparation that improves immunity to a certain disease
Term
Edward Jenner
Definition
discovered vaccination using cowpox to give immunity for smallpox
Term
Louis Pasteur
Definition
"Father of modern microbiology" demonstrated air is filled with microorganisms by filtering air in cotton plug
*Innoculated Infusions
Term
Innoculated Infusions
Definition
Pasteur's experiment with swan neck flasks showing that infusions are sterile if left open unless bacteria in neck come in contact with solution
Term
Pasteruization
Definition
uses high temps below boiling reducing the number of microorganisms but not sterilizing
Term
Charles Chamberland
Definition
assistant of pasteur developed early vaccines, first bacterial vaccine, smallpox virus vaccine
Term
John Tyndall
Definition
physicist, proved presence of endospores (some infusions sterile after boiling 5 minutes while others aren't after 5 hours)
Term
Robert Koch
Definition
German physician, developed science of medical microbiology, pure culture techniques, initial rules for cause and consequence of disease
Term
Endospores
Definition
dormant tough non-reproductive structure produced by bacteria to ensure bacterial survival during periods of environmental stress
Term
..... are typically loaded with endospores
Definition
Plants
Term
Koch's postulates
Definition
1.) organism must be isolated from diseased organism in all cases
2.) organism must be obtained in pure culture
3.) must be re-isolated from the model organism
Term
Golden Age
Definition
1854-1914
great interest in the field, most disease causing bacteria were discovered, work on viruses began
Term
Emerging diseases increasing occurence b/c...
Definition
changing lifestyles, genetic changes in organisms, increase in travel, unvaccinated individuals
Term
Seemingly new diseases
Definition
Legionarre's, Lyme, West Nile, SARS
Term
Microorganisms model of study b/c...
Definition
same metabolism as high forms of life, genetic properties mimic other organisms, macromolecules same as other life forms
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