Multiple Choice
How do the three pathways of the complement system differ?
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21. The Immune System
Introduction to the Complement System
Multiple Choice
Which of the following components is NOT involved in the complement system's molecular complementarity?
A
C3 convertase
B
Antibodies
C
C5a
D
Hemoglobin
Verified step by step guidance1
Understand the complement system: The complement system is a part of the immune system that enhances the ability of antibodies and phagocytic cells to clear pathogens from an organism. It involves a series of proteins that work together to fight infections.
Identify the components of the complement system: The key components include proteins such as C3 convertase, C5a, and antibodies, which play roles in the activation and amplification of the complement cascade.
Recognize the role of C3 convertase: C3 convertase is an enzyme complex that plays a crucial role in the complement system by cleaving C3, leading to the activation of other complement proteins.
Understand the function of C5a: C5a is a potent inflammatory peptide that is generated during the activation of the complement system. It acts as a chemoattractant, recruiting immune cells to the site of infection.
Identify the unrelated component: Hemoglobin is a protein found in red blood cells responsible for transporting oxygen throughout the body. It is not involved in the complement system's molecular complementarity, which focuses on immune response.
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