MICROBIOLOGY MODULE 6 EXAM
QUESTIONS AND ANSWERS LATEST
UPDATE
, __________ are neither considered prokaryotic nor eukaryotic. - ANSWERViruses
_________ are small, non-cellular particles that cannot replicate unless inside a living
host cell. - ANSWERViruses
Because viruses cannot replicate on their own, they are by definition, considered
_________________ parasites. - ANSWERObligate intracellular
What are the two basic compounds of viruses? - ANSWER1) Genomic material made of
either DNA or RNA
2) A capsid similar to a nucleus of a eukaryotic cell
A __________ is a membrane-like protective structure that contains genetic material. -
ANSWERCapsid
______ genomes can be either double or single stranded and may be found in circular
or linear arrangements. - ANSWERViral
How does a viral genomes vary in size? - ANSWERThey can range from a few
thousand nucleotide base pairs (~3200) to roughly 2.5 million nucleotides
What houses the largest known viral genome at 2.5 million nucleotides? -
ANSWERPandoavirus
Which two genomes are larger than the Pandoavirus? - ANSWERE. coli (4.6 million)
Human genome (~3 million)
For many viruses an additional membrane called the ____________ surrounds the
capsid. - ANSWEREnvelope
A virus simply surrounded by the protein capsid is referred to as a ________ or
__________ virus. - ANSWERNaked; non-enveloped
_________ virus (variola virus) is an enveloped, ~200 nm long and has a distinct
dumbbell shaped viral capsid. - ANSWERSmallpox
The _________ is a non-enveloped and only ~30 nm in diameter. - ANSWERPoliovirus
Under EM, ______________ and _____________ are both enveloped, spherical and
~100-150 nm in diameter but very drastically in composition and function. -
ANSWERParamyxoviruses and Orthomyxoviruses
QUESTIONS AND ANSWERS LATEST
UPDATE
, __________ are neither considered prokaryotic nor eukaryotic. - ANSWERViruses
_________ are small, non-cellular particles that cannot replicate unless inside a living
host cell. - ANSWERViruses
Because viruses cannot replicate on their own, they are by definition, considered
_________________ parasites. - ANSWERObligate intracellular
What are the two basic compounds of viruses? - ANSWER1) Genomic material made of
either DNA or RNA
2) A capsid similar to a nucleus of a eukaryotic cell
A __________ is a membrane-like protective structure that contains genetic material. -
ANSWERCapsid
______ genomes can be either double or single stranded and may be found in circular
or linear arrangements. - ANSWERViral
How does a viral genomes vary in size? - ANSWERThey can range from a few
thousand nucleotide base pairs (~3200) to roughly 2.5 million nucleotides
What houses the largest known viral genome at 2.5 million nucleotides? -
ANSWERPandoavirus
Which two genomes are larger than the Pandoavirus? - ANSWERE. coli (4.6 million)
Human genome (~3 million)
For many viruses an additional membrane called the ____________ surrounds the
capsid. - ANSWEREnvelope
A virus simply surrounded by the protein capsid is referred to as a ________ or
__________ virus. - ANSWERNaked; non-enveloped
_________ virus (variola virus) is an enveloped, ~200 nm long and has a distinct
dumbbell shaped viral capsid. - ANSWERSmallpox
The _________ is a non-enveloped and only ~30 nm in diameter. - ANSWERPoliovirus
Under EM, ______________ and _____________ are both enveloped, spherical and
~100-150 nm in diameter but very drastically in composition and function. -
ANSWERParamyxoviruses and Orthomyxoviruses
