Antibiotics and Antibiotic Resistance (Leaving Cert Biology): Flashcards
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Definition of antibiotics
Definition of antibiotics
Substances produced by micro-organisms that kill/prevent bacteria & fungi growth
Initial effect of antibiotics on bacteria
Initial effect of antibiotics on bacteria
Kills all of the bacteria in an organism
How antibiotic resistance develops
How antibiotic resistance develops
Mutation occurs in one bacterium making it resistant to that antibiotic
Location of antibiotic resistance gene
Location of antibiotic resistance gene
On the plasmid of the bacterium
What happens to resistant bacteria over time
What happens to resistant bacteria over time
They survive, replicate and spread the resistance gene
Multi-resistant bacteria definition
Multi-resistant bacteria definition
Bacteria resistant to most, if not all, antibiotics
Example of multi-resistant bacteria (superbug)
Example of multi-resistant bacteria (superbug)
MRSA
Cause 1 of antibiotic resistance
Cause 1 of antibiotic resistance
Over-prescription of antibiotics by doctors
Cause 2 of antibiotic resistance
Cause 2 of antibiotic resistance
Failure to complete the full course of antibiotics
Cause 3 of antibiotic resistance
Cause 3 of antibiotic resistance
Overuse of antibiotics in animal feed