Liver proteins called complement proteins circulate in the blood and are activated to destroy microorganisms.

Question

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This statement is true. Complement proteins are a group of proteins that circulate in the blood and help to destroy microorganisms by activating a series of reactions that lead to the formation of a membrane attack complex (MAC) on the surfaces of bacterial cells. The liver is one of the primary sources of these proteins.

Liver Proteins Called Complement Proteins Circulate in the Blood and Are