C3 convease acts on -: (A) C4b2b, (B) C4b2B3a, (C) C4b, (D) C3
Answer is D. C3 convease splits split C3 into two fragments : C3a which is an anaphylatoxin and C3b which remains cell bound along with C4b2a to form a trimolecular complex C4b2a3b which has enzymatic activity and is called C5 convease. Reference : Anathanarayan & paniker's 9th edition, pg no: 122 <\p>