試題詳解

13. The primary role of complement control proteins that operate in the early stages of complement activation is to________.
(A) regulate the expression of complement proteins (R)enstre that the comnents ofthe memhrae att
(B) ensure that the components of the membrane-attack complex assemble in the correct sequence
(C) facilitate the secretion of complement proteins to extracellular locations C) facilitate the secretion of complement nroteins to extracellular locstion
(D) stabilize complement proteins, thus extending their half-lives in serum

(E) ensure that C3b is deposited on appropriate surfaces