About Scientists Flashcards
Noticed that microbes or fungus can kill bacteria by producing antibiotics
Alexander Fleming 1928
Cell theory - All leaving cells are made of cells
Robert Hook
Little boxes - Cells
The first scientist to actually see the living microorganisms.
Anton van Leeuwenhoek
Microorganisms are used to be called…..
Wee animalcules
Theory of biogenesis, cells can only arais from preexisting cells
Rudolph Virchow
An Italian scientist in the 17th century, conducted an experiment to refute the theory of the “Spontaneous Generation” theory nearly 200 years earlier
Francisco redi
He was the first to record opservation on spontaneous generation
Aristotle
Was the first to dispro2the theory of spontaneous generation
Francisco Redi
Observed microorganisms in heated meat broth, which were not present at the beginning of the experiment
John Needham
John Needham concluded that the bacteria has originated from the meat. (true or false.).
True
He concluded that the bacteria has been carried by the air to the broth
Lazaro Spalanzani
Passed the air into a flask containing broth through a red-hot tube, and the broth in the flask has Shawn no growth of organsims or bacteria
Theodore Schwann
Allowed air in the flask by passing the air through a sterile cotton plugg, and no growth was observed
George Schroder & Theodore Dusch
Why there was no growth of organsims in George Schroder & Theodore Dusch?….
The claims that the microorganisms was trapped by the cotton fibers
Today…… Scientists uses sterilized cotton plugs in order to reduce microbial contamination. (true or false).
True
He used the swan neck experiment to dis approve the spontaneous genesis…..
Louic pasteur
It was easy for people back then to believe that diseases were caused by tiny invisible “Wee animalcules*. (true or false).
False. “It was hard for people to believe such thing” .
People thought the diseases were caused by…..
Demons, witchcraft, bad luck, the wrath of God, curses, evil spirits
The scientist thwho proved that diseases are caused by the microorganisms
Robert Koch
It means “the cause of disease”
Etiology
He established the scientific rules to show a cause and effect of a microbe and disease
Robert Koch
There was an exception in kochs plastulate, that some organisms have never grown in the pure culture on an artificial media.
Treponema pallidum - Syphilis
It’s not morally acceptable to insulate a deadly pathogenic into a human guinea pig. (true or false).
True
Humans can get a disease either by the body itself or by a foreign infectious body. (true or false).
True
He was the first to use agar to solidify culture media…..
Koch
