题目内容

Which type of nucleic acid can act as mRNA and code for all the protein required during replication? ()

A. dsDNA
B. dsRNA
C. –ssRNA
D. +ssRNA
E. ssDNA

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Which of the following is found within the nuclei of infected hepatocytes and not usually in the peripheral circulation? () A

A. HbsAg
B. HbcAg
C. anti-HBc
D. HbeAb

Which of the following statements is wrong about HAV virus? ()

A. +ssRNA virus
B. Can be cultivated in cell
C. Bing spread by the fecal-oral route
D. Never lead to chronic disease
E. anti-HAV IgG is the earliest diagnositic evidence

The main hiding site of HSV-1 is ()

A. labial skin
B. pharyngeal lymph node
C. spinal neural ganglia
D. trigeminal ganglion
E. none of above

Gp120 of HIV is encoded by which gene of blowing ()

A. env
B. pol
C. gag
D. tat
E. rev

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