SELF EXAM QUESTIONS WITH
VERIFIED ANSWERS 100%
COMPLETE SOLUTION
, True or False: Because the genome is contained within an enclosed space, (much like
the nucleus of the cell) viruses are classified as eukaryotic. - ANSWERFalse
(Viruses are neither eukaryotic nor prokaryotic.)
Describe the two basic components of a virus. - ANSWERA virus has:
(1) genomic material comprised of either DNA or RNA and
(2) a capsid, a membrane-like protective structure that contains the genetic material,
similar to the nucleus of a eukaryotic cell.
The envelope surrounds the ______ of some viruses. - ANSWERCapsid
True or False: You would expect to see a viral envelope on a virus infecting a bacterial
cell. - ANSWERFalse
(The overwhelming majority of animal viruses are enveloped whereas the majority of
plant or bacteria infecting viruses are not.)
Rank the following viruses based on their size from largest to smallest:
A. Paramyxovirus
B. Poliovirus
C. Smallpox virus - ANSWER1. Smallpox (~200 nm)
2. Paramyxovirus (~100-150 nm)
3. Poliovirus (~30 nm)
Smallpox > Paramyxovirus > Poliovirus
True or False: Viral replication occurs after it attaches and enters the host cell. -
ANSWERTrue
(The viral genome is never replicated before attachment and entry.)
Place the following viral life cycle steps in order beginning with viral attachment and
provide a description of each step.
A. Uncoating
B. Release
C. Replication
D. Attachment