3. C) avoiding antibody Flashcards

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1
Q

Staph aureus

A

Staph. aureus has a surface protein called protein A a FC receptor that binds IgG. prevents fn of anitbody. hide bacteria antigenically

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2
Q

antigenic variation

A

antigenic variation

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3
Q

mimicking host molecules

A

eg S. pyogenes (gram +ive) some strains have a capsule composed of hyaluronic acid. polysaccharide found in human tisse, not antigenic

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