题目内容

Which of the following can be biomes?

A. Grassland
B. Mountain
C. Tropical rain forest
Desert

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Which of the listing molecules have the protease activity?

A. C1q
B. C1r
C1s
D. C2a
E. C4b
Factor D

Which of the listing molecules participate in lectin pathway of complement activation?

A. C1q
B. Factor B
C. MASP-1
D. C3
E. C4
F. C9

Which of the listing molecules participate in all of the 3 pathways of complement activation?

A. C1
B. C2
C3
D. C4
E. C5
F. C6-9

Which molecules are expressed on the surface of immune cells?

A. TCR
B. Pattern recognition receptors (PRRs)
C. Pathogen-associated molecular patterns( PAMPs)
D. Interferons

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