Question 3 Y10 Mock Exam 1 Flashcards
Pasteur vs Fleming
How did pasteur make his discovery?
He was asked to research why a beer companies beer was going off. He discovered that the bacteria grew when exposed to the air he then proved this through exposing sterilised water to the air and another not exposed. The one exposed had bacteria in that could be seen under a microscope. This disproved spontaneous generation
When was germ theory published?
1861 and then in 1878 he published the next stage of his theory that germs caused infection
Who developed pasteurs ideas?
Robert Koch who made links between specific bacteria and diseases for example cholera and TB. He also found a way to stain the bacteria to make it more visible
How did Fleming discover penicillin?
Penicillin discovered by accident. Fleming came back from holiday removed tops from old petri dishes found that mould had got into petri dish and was killing the staphylococcus bacteria
Who developed penicillin?
Florey and chain developed penicillin by testing it on policeman who had an infected wound it was proved effective and they received £10,000 by government to mass produce it for the war. In ww2 it ended up saving 25000 soldiers and 15% would have died without the drug
When did Fleming publish his work?
Britain journal of experimental pathology 1929
What was most influential about them?
They both weren’t as influential until they had finished their work the most influencial thing about them was not their own discoveries but how they triggered mass development from their discoveries
What was most influencial about them?
They both weren’t as influential until they had finished their work the most influencial thing about them was not their own discoveries but how they triggered mass development from their discoveries
