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2 CELLS
STRUCTURE AND DIVISION
Viruses
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Replication
BIOLOGY > 2 CELLS > STRUCTURE AND DIVISION > Viruses
5 cards
Cards (17)
viruses are
acellular
viruses are not
cells
are viruses cells?
no
what are viruses ?
nucleic acids
surrounded by
proteins
are viruses alive?
no
what are viruses smaller than?
bacteria
give one difference between viruses and bacteria?
unlike bacteria, viruses have no
plasma membrane
, no
ribosomes
, no
cytoplasms
what do all viruses do?
Invade
and
reproduce
inside the
cells
of other organisms (
host
cells)
what do viruses contain a core of ?
a core of
genetic material-
either
DNA
or
RNA
what is the capsid?
the
protein coat around the core
what stick out from the edge of the capside?
Attachment proteins
what do attachment proteins do?
they let the
virus
cling on to a
suitable host
cell
See all 17 cards
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