FIGHTING DISEASE IN THE 1900s - PowerPoint PPT Presentation

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FIGHTING DISEASE IN THE 1900s

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1) Who made the initial discovery of penicillin? ALEXANDER FLEMING 2) How did CHANCE help him make his discovery? By chance he had not washed up some dishes he had ... – PowerPoint PPT presentation

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Title: FIGHTING DISEASE IN THE 1900s


1
BGS History GCSE Revision Tests
Fighting Disease inthe 20th CenturyPENICILLIN
2
1) Who made the initial discovery of penicillin?
  • ALEXANDER FLEMING

3
2) How did CHANCE help him make his discovery?
  • By chance he had not washed up some
  • dishes he had been experimenting on

4
3) What did he notice about the mould growing in
his dishes?
  • The mould killed all the germs around it (the
    mould was called penicillin)

5
4) What were the limitations of his work with
penicillin?
  • He did not make penicillin into a pure drug

6
5) Which two men developed his ideas further,
and what did they succeed in doing?
  • HOWARD FLOREY
  • ERNST CHAIN
  • They made it into a
  • pure drug which worked
  • successfully on humans!

7
6) What happened in 1939 which made it much more
important to produce a pure form of penicillin?
  • 1939 start of Second World War

8
7) What did they not have enough money to do?
  • Florey Chain could not afford to mass produce
    the drug

9
8) Why were British factories not able to develop
penicillin?
  • They were too busy making bombs and guns to keep
    the British army going

10
9) Where was penicillin made instead?
  • USA!

11
10) What had happened by 1944?
  • Enough penicillin was being made to supply
  • all the Allied forces!
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