True/False
The classical and lectin pathways of complement activation converge at the step of C3 activation. However, the initiating steps of each pathway use protein components and enzymatic mechanisms that share no similarity with each other.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: B cells express a complement receptor that
Q13: Mucosal surfaces and external epithelia are major
Q14: In vertebrates, complement activation generally involves a
Q15: Antibodies, complement proteins, and phagocytic cells provide
Q16: Even when the complement cascade fails to
Q18: Women with urinary tract infections caused by<br>A)
Q19: Pathogenic infections induce damage to the host
Q20: Patients with recurrent infections of Neisseria meningitidis,
Q21: Pseudomonas aeruginosa is a Gram-negative bacterium that
Q22: Our environment contains masses of microorganisms, many