The complement cascade can be activated by binding to
A)carbohydrates present on bacterial cells only.
B)natural killer cells only.
C)antibodies attached to bacterial cells only.
D)either carbohydrates or antibodies on bacterial cells.
E)either natural killer cells or carbohydrates on bacterial cells.

Question

Quizplus · Accepted Answer

The complement cascade can be activated via the classical pathway by antibodies attached to bacterial cells or via the lectin pathway by carbohydrates on bacterial cells.

The Complement Cascade Can Be Activated by Binding to