sparknotes
Viruses
Terms
Capsid
-
The protein coat that surround the genetic material of a virus.
Envelope
-
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.
Enzymes
-
Proteins that act as catalysts for chemical reactions.
Genes
-
A unit of genetic material containing the information needed to produce and
regulate a single protein.
Lysogenic
-
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
lytic.
Lytic
-
In viruses with a lysogenic phase, the opposing phase in which virus
replication takes place.






