History and background Flashcards
microbes are involved in?
nutrient production,
energy flow
decomposition
production of food, drug and vaccines
what did Anton Von Leeuwenhoek do?
first observation of bacteria “animal cules”
who first observed bacteria
Anton Von Leewenhoek 1676
what did edward jenner do
first vaccine
who created the first vaccine
edward jenner 1796
what did lewis pastur do?
come up with jerm theory
disproved spontaneous generation of microbes
perfected sterilisation methods
invented pasturisation
josheph lister did what?
antiseptic surgery 1867
used carbolic acid
hand washing
who was Robert koch
1844 kochs postulates of disease transmittion
won nobel prize
describe the first of kochs postulates
suspected pathogenic organism should be present in all cases of the disease and absent from healthy animals
describe the second postulate
suspected organism should be grown in pure culture
describe the third postulate
cells from pure culture of suspected organism should cause disease in healthy animal
describe the fourth postulate
organism should be re-isolated and shown to be same as original
who was alexander flemming
1929 discovered penicillin
who was jonas salk
created polio vaccine
how has the tree of life been designed
by comparing RNA in ribosomes
