Evolving Pathogens (VCE SSCE Biology): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Memory cells function
Memory cells function
Provide immunological memory after vaccination or infection
Antimicrobial resistance
Antimicrobial resistance
Microorganism's ability to survive antimicrobial agent exposure
How antibiotic resistance develops
How antibiotic resistance develops
Natural selection when antibiotics act as selection pressure
Bacterial conjugation
Bacterial conjugation
Bacteria exchange genetic material via direct cell-cell contact
Efflux pumps mechanism
Efflux pumps mechanism
Active transport proteins pump antibiotics out of bacterial cell
Why complete full antibiotic course
Why complete full antibiotic course
Stops surviving bacteria reproducing and developing resistance
Antigenic drift
Antigenic drift
Small and gradual mutations in viral surface antigen genes
Antigenic shift
Antigenic shift
Sudden, significant mutations in viral surface antigen genes
Haemagglutinin function
Haemagglutinin function
Glycoprotein that binds viruses to host cells for cell entry
Why yearly flu vaccinations needed
Why yearly flu vaccinations needed
Influenza surface antigens constantly change through drift/shift