The protein coat that surround the genetic material of a virus.
A membranous covering found on some virus capsids that allows the virus to
enter a host cell by fusing with the host's cell membrane.
Proteins that act as catalysts for chemical reactions.
A unit of genetic material containing the information needed to produce and
regulate a single protein.
The phase found in some viruses in which the virus's genetic material becomes
incorporated into the host cell and no new viruses are produced. Compare with
In viruses with a lysogenic phase, the opposing phase in which virus
replication takes place.