5 Questions
What happens when genes coding for antigen proteins on the surface of pathogens mutate?
The amino acid sequence of the protein changes, altering its tertiary structure.
Why are flu vaccines administered yearly?
To combat the rapid mutation rate of influenza virus antigens.
How does a virus utilize host cells for replication?
By using host cell machinery to multiply through viral RNA entry and DNA integration.
What happens when viral DNA within host cells becomes active?
The individual becomes HIV positive.
What role do attachment proteins play in viral infections?
They bind to receptor proteins on host cells for entry and infection.
Learn how genetic mutations in pathogens can affect the immune system response. Understand how changes in base sequences can lead to alterations in protein structure, impacting the ability of antibodies to detect and destroy pathogens.
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