Multiple Choice
The complement system includes all of the following EXCEPT
A) a group of several plasma proteins.
B) induces a cascade of proteins that counteract invasion by coating the invading cells.
C) attracts phagocytic leukocytes to attack invading cells.
D) causes the lysis of the plasma membranes of invading cells.
E) blocks the virus from entering into healthy cells.
Correct Answer:

Verified
Correct Answer:
Verified
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