Which of the following statements regarding complement is FALSE?

A. Certain complement proteins are always circulating in the blood in an inactive state.
B. Activated complement can form a membrane attack complex, which forms pores in microbe membranes.
C. Activated complement can stimulate cells to secrete inflammation-mediating chemicals.
D. The complement pathway is always dependent upon activation of the first complement protein, C1.
E. Some activated complement proteins activate other complement proteins.


D

Anatomy & Physiology

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