Which Applies to the Classical Complement Pathway,but NOT to the Alternative

question 41

Multiple Choice

Which applies to the classical complement pathway,but NOT to the alternative complement pathway?

• A)Activation of C3 results in the formation of C3b.
• B)There is a cascade of proteins activated,which results in the killing of microbes.
• C)Complement proteins serve as opsonins that facilitate phagocyte binding to microbes.
• D)Antibodies activate the first complement protein (C1).
• E)Complement activation leads to the development of a multiunit protein called the membrane attack complex (MAC). 

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