Which of the Following Statements About the Classical Pathway of Complement

question 41

Multiple Choice

Which of the following statements about the classical pathway of complement activation is FALSE?

• A) C1 is the first protein activated in the classical pathway.
• B) The C1 protein complex is initiated by antigen-antibody complexes.
• C) C3b causes opsonization.
• D) Cleaved fragments of some of the proteins act to increase inflammation.
• E) C3 is not involved in the classical pathway.

Distinguish between different types of nitrogenous wastes and their solubility and toxicity.

Analyze physiological adaptations of animals to their environments.

Understand the process of filtration in the excretory systems of animals.

Describe the characteristics and functions of specialized excretory and osmoregulatory organs.