题目内容

Which of the following are the first products produced by HIV? ()

A. RNA
B. DNA
C. protein
D. envelop
E. none of the above

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Which part of viral replication cycle characterizes eclipse phase? ()

A. attachment
B. penetration
C. uncoating
D. synthesis of viral components
E. none of the above

Which complement has function of opsonization()

A. C1q
B. C1r
C2a
D. C3b
E. C5a

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