<prompt> Which one of the following is a major component in activation of the complement alternative pathway:C1C2C3C4  <response>: - Alternate complement pathway Activators factor- Cobra venom , Properidin ,nephritic - C3b , Bb - C3 convease of alternate complement pathway - C5 - C9 is MAC membrane attack complex - C1,4,2 are not consumed in the alternate complement pathway 