PORTAGE LEARNING EXAM zm zm
Exam Solution
zm
Portage Microbiology Exam #6 2026 A+ GRADE ASSUR
zm zm zm zm zm zm zm
ED COMPLETE SOLUTIONS AND VERIFIED ANSWERS (D
zm zm zm zm zm zm
C922)
QUESTION 1 zm
True or False: Because the genome is contained within an enclosed space, (much like
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
the nucleus of a cell) viruses are classified as eukaryotic
zm zm zm zm zm zm zm zm zm
ANSWER
False. Viruses are neither eukaryotic nor prokaryotic
zm zm zm zm zm zm
QUESTION 2 zm
True or False: Although viruses may contain their genome within an enclosed space (
zm zm zm zm zm zm zm zm zm zm zm zm zm
much like the nucleus of a cell), it is considered neither eukaryotic nor prokaryotic
zm zm zm zm zm zm zm zm zm zm zm zm zm
ANSWER
True
QUESTION 3 zm
Describe the two basic components of a virus (short answer)
zm zm zm zm zm zm zm zm zm
ANSWER
A virus has 1. genomic material comprised of either DNA or RNA and 2. a capsid, a membrane-
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
like protective structure that contains the genetic material, similar to the nucleus of a eukaryotic cell
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
QUESTION 4 zm
The _____ surrounds the capsid of some viruses
zm zm zm zm zm zm zm
ANSWER
Envelope
, QUESTION 5 zm
The envelope surrounds the _____ of some viruses
zm zm zm zm zm zm zm
ANSWER
Capsid
QUESTION 6 zm
True or False: You would expect to see a viral envelope on a virus infecting a plant ce
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ll
ANSWER
False. The overwhelming majority of animal viruses are enveloped whereas the majority of plant or
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
bacteria-infecting viruses are not zm zm zm
QUESTION 7 zm
Rank the following viruses based on their size from largest to smallest: orthomyxovir
zm zm zm zm zm zm zm zm zm zm zm zm
us, poliovirus, variolavirus
zm zm
ANSWER
Variolavirus>Orthomyxovirus>Poliovirus
QUESTION 8 zm
True or False: Viral replication occurs after it attaches and enters the host cell
zm zm zm zm zm zm zm zm zm zm zm zm zm
ANSWER
True. The viral genome is never replicated before attachment and entry
zm zm zm zm zm zm zm zm zm zm
QUESTION 9 zm
True or False: Highly infectious viruses undergo genome replication prior to viral atta
zm zm zm zm zm zm zm zm zm zm zm zm
chment and entry. zm zm
ANSWER
False. The viral genome is never replicated before attachment and entry regardless of its level of inf
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ectivity.
QUESTION 10 zm
Exam Solution
zm
Portage Microbiology Exam #6 2026 A+ GRADE ASSUR
zm zm zm zm zm zm zm
ED COMPLETE SOLUTIONS AND VERIFIED ANSWERS (D
zm zm zm zm zm zm
C922)
QUESTION 1 zm
True or False: Because the genome is contained within an enclosed space, (much like
zm zm zm zm zm zm zm zm zm zm zm zm zm zm
the nucleus of a cell) viruses are classified as eukaryotic
zm zm zm zm zm zm zm zm zm
ANSWER
False. Viruses are neither eukaryotic nor prokaryotic
zm zm zm zm zm zm
QUESTION 2 zm
True or False: Although viruses may contain their genome within an enclosed space (
zm zm zm zm zm zm zm zm zm zm zm zm zm
much like the nucleus of a cell), it is considered neither eukaryotic nor prokaryotic
zm zm zm zm zm zm zm zm zm zm zm zm zm
ANSWER
True
QUESTION 3 zm
Describe the two basic components of a virus (short answer)
zm zm zm zm zm zm zm zm zm
ANSWER
A virus has 1. genomic material comprised of either DNA or RNA and 2. a capsid, a membrane-
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
like protective structure that contains the genetic material, similar to the nucleus of a eukaryotic cell
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
QUESTION 4 zm
The _____ surrounds the capsid of some viruses
zm zm zm zm zm zm zm
ANSWER
Envelope
, QUESTION 5 zm
The envelope surrounds the _____ of some viruses
zm zm zm zm zm zm zm
ANSWER
Capsid
QUESTION 6 zm
True or False: You would expect to see a viral envelope on a virus infecting a plant ce
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ll
ANSWER
False. The overwhelming majority of animal viruses are enveloped whereas the majority of plant or
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
bacteria-infecting viruses are not zm zm zm
QUESTION 7 zm
Rank the following viruses based on their size from largest to smallest: orthomyxovir
zm zm zm zm zm zm zm zm zm zm zm zm
us, poliovirus, variolavirus
zm zm
ANSWER
Variolavirus>Orthomyxovirus>Poliovirus
QUESTION 8 zm
True or False: Viral replication occurs after it attaches and enters the host cell
zm zm zm zm zm zm zm zm zm zm zm zm zm
ANSWER
True. The viral genome is never replicated before attachment and entry
zm zm zm zm zm zm zm zm zm zm
QUESTION 9 zm
True or False: Highly infectious viruses undergo genome replication prior to viral atta
zm zm zm zm zm zm zm zm zm zm zm zm
chment and entry. zm zm
ANSWER
False. The viral genome is never replicated before attachment and entry regardless of its level of inf
zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm zm
ectivity.
QUESTION 10 zm
