Which complement has function of opsonization()
A. C1q
B. C1r
C2a
D. C3b
E. C5a
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Which cytokine has the inhibitory function ()
A. TGF-β
B. EGF
C. VEGF
D. NGF
E. PDGF
What is the receptor of HIV ()
A. CD4
B. CD8
CD2
D. C3b
E. CD19
The ligand of MHC-Ⅰmolecule is ()
A. CD4
B. CD8
CD2
D. C3b
E. CD19
The gene which code for HLA-Ⅱ molecule are ()
A. HLA-A. B
B. HLA-A.
C
D. HLA-DR
E. HLA-DR. DP. DQ
F. C4. C2