Summary Topic 6 Antiobiotics

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Summary

Summary Topic 6 Antiobiotics

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Edexcel Biology Topic 6 Antibiotics, Aseptic technique, Bacterial Lawn, peptidoglycan

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Antibiotics
Antibiotic
by micro-organism
chemical produced
a one
Micro-organism
-

to kill stop the another
or
growth of
S.I units
-
> bacteriostatic -
prevents growth
lation ↳ immune system can attack ,

Popu
bacteriocidal - kills bacteria
&

Combination E-9
Therapy long treatment
=
mains ,

Rifumpin and Isoniazid

two
different mechanisms
-

Rifampin proteinsynthesis
=

Isoniazid : all wall

Resistance to antibiotics
>
-
DNA replication -
high binary fission rate e
errorin
replication

-

can be passed on
by vertical transfer or
binary
fission
or Horizontal transfer can be cross species
-
gene
↳
pass plasmid through conjugation Lube Sex pili ,

MRSA meticillin resistant
=
staphylococcus aureaus

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Study Level: A/AS Level
Subject: Biology A
Uploaded on: January 20, 2025
Number of pages: 3
Written in: 2023/2024
Type: Summary

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