Which Statements About the Complement System of Vertebrates Are Correct

question 1

Multiple Choice

Which statements about the complement system of vertebrates are correct? (Check all that apply.)

• A)The complement system is a part of the immune system of vertebrates.
• B)The complement system consists of approximately 30 different proteins that circulate in the plasma.
• C)If these proteins encounter the cell wall of a bacteria or fungi they form aggregations and eventually produce a pore that leads to the destruction of the invading cells.
• D)Although complement proteins attack invaders,they are not involved with histamine release.
• E)The complement system produces antibodies to bind invading cells.

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A company that is both owned and managed by one person, where there is no legal separation between the proprietor and the business itself.

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International Business Machines Corporation, a multinational technology company known for its computer hardware, software, and IT services.