What kind of virus can integrate it's gene in the host cell genome()
A. dsDNA virus and retrovirus
B. +ssRNA virus and retrovirus
C. dsRNA virus and retrovirus
D. ssDNA virus and +ssRNA virus
E. none of the above
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Viral particles can be identified within the cell at all stages except: ()
A. attachmente
B. clipse
C. latent
D. lysis
E. none of the above
Which of the following are the first products produced by minus strand viruses? ()
A. RNA
B. DNA
C. protein
D. envelop
E. none of the above
Which part of viral replication cycle characterizes eclipse phase? ()
A. cm
B. mm
C. μm
D. nm
E. none of the above
Virus can be observed through ()
A. light microscope
B. Eletron microscope
C. X-ray diffraction
D. centrifugation
E. none of the above
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