SC165/166 Microbiology
Effectiveness of Antibiotics and their
importance in the medical field
, Background
• From Ward’s Natural Science (1999):
– “Bacteria, like all other organisms, are affected by
their environment. Under favorable conditions
they multiply rapidly; under unfavorable
conditions, they die or remain dormant…
disinfectants [antibiotics] can create unfavorable
conditions for bacteria in 2 ways: interfering with
cell processes… and interfering with cell
structures”
Effectiveness of Antibiotics and their
importance in the medical field
, Background
• From Ward’s Natural Science (1999):
– “Bacteria, like all other organisms, are affected by
their environment. Under favorable conditions
they multiply rapidly; under unfavorable
conditions, they die or remain dormant…
disinfectants [antibiotics] can create unfavorable
conditions for bacteria in 2 ways: interfering with
cell processes… and interfering with cell
structures”
