Flashcards in ch 1 Deck (17):
The study of microorganisms (microbes), organisms so small that a microscope is needed to see and study them
Name types of microbes and know if they are prokaryotic or eukaryotic
Pelomyxa- algae, eukaryotic
mycelia- fungi, eukaryotic
Know scientists contributions
- built the first compound microscope
-first to see cells with a microscope
-first to see living cells and microbes
-observed bacteria with a single lens
One of the first to disprove spontaneous generation
Pasteur disproved spontaneous generation with swan necked flask. How?
-“swan neck” flask allowed oxygen to enter, but kept the boiled contents free of microbes
demonstrated the significance of mortality due to disease and founded medical statistics
developed the first scientific method for establishing the microbial cause of a disease
suggested using agar. this discovery aided in koch's experiments
Germ Theory of Disease
States that microorganisms can invade other organisms and cause disease
deliberately infected patients with matter drawn from
cowpox lesions. The process of cowpox inoculation was
-first to show that infecting with attenuated (weakened) strains of bacteria was able to confer immunity and he applied this principle to other organisms
--Disproved Spontaneous generation, wine and silkworm industry, vaccination, pasteurization
ordered doctors to wash their hands in chlorine, an antiseptic (a chemical that kills microbes).
noted that half of his amputee patients died of sepsis. He began to use antiseptic agents (carbolic acid) to treat wounds and surgical instruments. Father of antiseptic surgery.
noted that a culture of Staphylococcus contaminated with mold caused a clearing of the bacteria nearby. Fleming showed that the mold secreted a substance that killed only the bacteria.
Chain and Forey
purified penicillin and it successfully saved the lives of many Allied troops during WWII