Microbes: Non- Living (Acellular) Flashcards
this non living organism does not have any genetic material
Prions
prions are small protein molecules associated with _______________
chronic fatal neurological disease
To live acellular infectious agents requires
a host
Viroids contain which type of genetic material
RNA
viroids are associated with which type of disease
plant
Viruses contain which type of genetic material
RNA or DNA
A nucleocapsid is
a combination of nucleic acid and cashed
Does a virus have an envelope?
may contain one, derived from the host
To eradicate a virus use a ______
antiviral
once a virus enters a cell it
uncoats
What are the steps in multiplication of a virus
Attachment, Penetration, Uncoating, Biosynthesis, Assembly, Release
Bacteriophage is
virus that infects bacteria
Bacteriophage follows the same steps in multiplication like a virus but it doesn’t
uncoat
tropism is
the specify of virus to attach to host cell - a virus must recognize host cell receptor with viral surface protein
how is a virus transmitted
fecal - oral, respiratory, transplant, needled, trans placental