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New Course
Concept
Virus Structure
Viruses are
microscopic infectious agents
composed of
genetic material
, either DNA or RNA, encased in a
protein coat
called a capsid, and sometimes surrounded by a
lipid envelope
. Their structure allows them to attach to and penetrate
host cells
, where they hijack the
cellular machinery
to replicate and
propagate the infection
.
Relevant Degrees
Microbiology 100%
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