Evolving Pathogens (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why are annual influenza vaccinations required?
Why are annual influenza vaccinations required?
Virus surface antigens constantly change
What is antimicrobial resistance?
What is antimicrobial resistance?
When microbes survive antimicrobial exposure
Which stage comes FIRST in antibiotic resistance development?
Which stage comes FIRST in antibiotic resistance development?
Variation in bacterial population
Do antibiotics cause bacteria to develop resistance?
Do antibiotics cause bacteria to develop resistance?
No, they select existing resistant bacteria
What is bacterial conjugation?
What is bacterial conjugation?
Bacteria exchanging genetic material directly
Which mechanism pumps antibiotics out of bacterial cells?
Which mechanism pumps antibiotics out of bacterial cells?
Efflux pumps
What happens when patients stop antibiotics early?
What happens when patients stop antibiotics early?
Surviving bacteria continue replicating
What is antigenic shift?
What is antigenic shift?
Sudden mutations through viral recombination
What does haemagglutinin do in influenza virus?
What does haemagglutinin do in influenza virus?
Binds viruses to host cells
What type of antigenic change caused 2009 swine flu pandemic?
What type of antigenic change caused 2009 swine flu pandemic?
Antigenic shift