Chapter 1 Flashcards
(29 cards)
What does Spontaneous Generation mean?
early belief that some forms of
life could arise from vital forces present in nonliving or
decomposing matter
What is germ theory
Spontaneous Generation
What is an example of spontaneous generation?
Flies from manure, mushrooms, etc.
Who disproved spontaneous generation theory and proved the Theory of Biogenesis?
Louis Pasteur
What is the theory of Biogenesis?
the idea that living
things can only arise from other living things
Who created the microscope?
Leeuwenhoek
What is a tentative explanation that can be
supported or refuted
a hypothesis
Deductive approavh “ _____, _______”
If…., then….
What is the scientific method?
A lengthy process of experimentation, analysis, and testing
either supports or refutes the hypothesis
What is viable explanation of why things happen which is yet to be disproved by scientific methods
A theory
Accurate mathematical representations of a theory becomes
_____ or_______
Law, principle
What observations where made to invent vaccines?
- Milkmaid = cowpox and immune to smallpox
- Cowpox is related to smallpox
- Vaccinated with Cowpox
- Exposed to pus twice from active smallpox, did not become sick
________ -_______ and _____ ________ each demonstrated the presence of heat resistant forms of some microbes.
John Tyndall and Ferdinand Cohn
What are endospores?
Heat-resistant bacterial
What does sterility require?
elimination of all life forms including
endospores, viruses and prions.
Who observed that mothers of
home births had fewer infections than those who gave birth in hospitals?
Dr. Oliver Wendell Holmes
Who correlated infections with
physicians coming directly from the autopsy room to the maternity ward?
Dr. Ignaz Semmelweis
Who ntroduced aseptic techniques to reduce
microbes in medical settings and prevent wound infections?
Joseph Lister
What is
the derm theory of disease
Diseases are caused by the growth of microbes in the body
and not by sins, bad character, or poverty, etc.
Who are the 2 main contributors of the germ theory of disease
Louis Pasteur and Robert Koch
What term is used to give organisms 2 names?
Binomial nomenclature
Genus-
Species-
Both italicized or underlined
capitalized
lowercase
What is Phylogeny?
Natural relatedness between groups of organisms
