TLS Online TPP Program

#Question id: 2042


Which of the following process is required for the formation of C3 convertase that amplifies complement activation?

#Unit 4. Cell Communication and Cell Signaling
  1. C3b must bind to foreign antigens

  2. Factor B must bind to C3b for its proteolysis by Factor D

  3. Properdin must bind to the C3bBb complex for stabilization

  4. All of the above