Which statement about the complement system is true?
A) It consists of fewer than 10 different proteins.
B) It is found in all organisms with an immune system.
C) It lyses invading cells.
D) It consists of highly folded membranes that capture pathogens.
E) It functions within blood vessels rather than tissues to attract phagocytes.
Correct Answer:
Verified
Q29: Which statement about interferons is true?
A) They
Q30: If you come down with a streptococcal
Q31: The _ acid in gastric juice is
Q32: Which cells release histamines when tissues are
Q33: Inflammation occurs when _ release _.
A) mast
Q35: Refer to the figure showing an immune
Q36: Lymphocytes specific for certain antigens proliferate by
Q37: Refer to the figure. Q38: Epitopes are Q39: Each B cell can produce _ specific![]()
A) molecules produced by mast cells.
B)
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