that infect specific organisms
virus specificity :
specific viruses
receptors the cell membrane
~ viruses must bird precisely to on
·
Viruses of Eukaryotes : usually tissue specific .
infect bacteria .
Bacteriophages viruses that
·
:
Viral Reproduction that results destruction
cycle the
Lytic Cycle viral reproductive of new
in
:
virus particles
release
of the host cell & the
the surface of most call
1. Attachment to into host
cell
material
·
Injection of
viral genetic replicates
host cell's machinery
.
2 ,
over
. Viral
3 material takes
genetic
& produces viral components viruses
complete
Assembly of
into
4
..
riral components
formed viruses
host well bursts & releases newly
5
Lysis
:
.
genetic material
is
where virue's
Lysogenic Cycle
: viral
reproductive cycle the
integrated into host cell's the
genome ,
replicating / it wo destroying
along
host .
indefinitely
-
Host cell makes copies of the viral genetic material .
1 Attachment
.
into host's genome by
the rival DNA Arrophage)
2
.
Integrates w/ host DNA who harm.
3 .
Replicates along causing
4 . Viral DNA can exit host genome
and activate the
lytic cycle.
reverse transcription to convert their
that
Retrovirus : type of
uses
virus
RNA into DNA inside a host cell
of naked circular RNA .
Viroids : small & simple molecules
of RNA , but no protein
coat,
morcals
small molecular
~ consists ,
that do not contain DNAIRNA-
Prions : Disease causing particles normally
bits of proteins .
Misfolded form of prekins present in brain cells
~
tiny .
virus specificity :
specific viruses
receptors the cell membrane
~ viruses must bird precisely to on
·
Viruses of Eukaryotes : usually tissue specific .
infect bacteria .
Bacteriophages viruses that
·
:
Viral Reproduction that results destruction
cycle the
Lytic Cycle viral reproductive of new
in
:
virus particles
release
of the host cell & the
the surface of most call
1. Attachment to into host
cell
material
·
Injection of
viral genetic replicates
host cell's machinery
.
2 ,
over
. Viral
3 material takes
genetic
& produces viral components viruses
complete
Assembly of
into
4
..
riral components
formed viruses
host well bursts & releases newly
5
Lysis
:
.
genetic material
is
where virue's
Lysogenic Cycle
: viral
reproductive cycle the
integrated into host cell's the
genome ,
replicating / it wo destroying
along
host .
indefinitely
-
Host cell makes copies of the viral genetic material .
1 Attachment
.
into host's genome by
the rival DNA Arrophage)
2
.
Integrates w/ host DNA who harm.
3 .
Replicates along causing
4 . Viral DNA can exit host genome
and activate the
lytic cycle.
reverse transcription to convert their
that
Retrovirus : type of
uses
virus
RNA into DNA inside a host cell
of naked circular RNA .
Viroids : small & simple molecules
of RNA , but no protein
coat,
morcals
small molecular
~ consists ,
that do not contain DNAIRNA-
Prions : Disease causing particles normally
bits of proteins .
Misfolded form of prekins present in brain cells
~
tiny .
