The Classic Pathway of Complement Activation Begins When the Protein

question 134

Multiple Choice

The classic pathway of complement activation begins when the protein C1 binds to

• A) a plasma protein.
• B) an antibody attached to an antigen.
• C) the cell wall of bacteria.
• D) the plasma membrane of bacteria.
• E) a cell surface antigen.

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Definitions:

Body Build

The physical composition of an individual, including their muscle, bone, and fat distribution, which can influence their physical capabilities and appearance.

Extremities

The furthest points or limits of something; can also refer to limbs of the body, such as hands and feet.

Macroevolution

Large-scale evolutionary changes that occur over geological time, leading to the emergence of new species and broader taxonomic categories.

Speciation

The evolutionary process through which new biological species arise due to the divergent evolution of populations that become reproductively isolated from each other.