When a virus enters a lysogenic phase, it means
A. the virus is integrated into the DNA of the host cell and is latent.
B. the virus is bursting through the host cell membrane.
C. the virus will remain in circulation and not continue infecting its host.
D. the virus is starting biosynthesis of its nucleic acid.
E. the number of viruses in the host is decreasing as the immune system becomes effective.
Answer: A
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