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L6 Antibiotics and Bacterial Resistance

L6 Antibiotics and Bacterial Resistance - BIOLOGY 1A03...

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BIOLOGY’1A03’ Cellular’and’Molecular’Biology’ Lecture’6:’An=bio=cs’&’Bacterial’Resistance’
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BIOLOGY 1A03 Cellular and Molecular Biology Learning objec-ves 3 Outline’the’history’of’early’an=bio=cs’ Understand’bacterial’cell’wall’synthesis’ Describe’how’penicillin’works’ Iden=fy’the’challenges’with’an=bio=c’ resistant’bacteria’
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Unit’1:’ The’history’of’an=bio=cs’
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BIOLOGY 1A03 Cellular and Molecular Biology 5 ScoKsh’physician’ Was’very’interested’in’ discovering’chemical’that’ would’harm’bacteria’but’ not’ the’body’ In’1928,’while’working’on’ influenza’virus,’he’observed’ mould’on’a’staphylococcus’ culture’plate’with’a’bacteria- free’circle’around’the’mould’ He’found’that’the’mould’ culture’prevented’growth’of’ staphylococci’ Sir Alexander Fleming- Nobel Prize in Physiology or Medicine, 1945 (1881-1955) http://www.nobelprize.org/
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BIOLOGY 1A03 Cellular and Molecular Biology 6 In’1940,’were’studying’ projects’in’bacteriology’that’ could’be’enhanced’by’ chemistry’ Began’working’with’penicillin’ Developed’a’brown’powder’
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