Micro Exam 6 Portage Learning
Questions And Answers
True vor vFalse. vBecause vthe vgenome vis vcontained vwithin van venclosed vspace v(much vlike vthe
vnucleus vof va vcell), vviruses vare vclassified vas veukaryotic. v- vAnswer v- vFalse. vViruses vare vneither
veukaryotic vnor vprokaryotic
Describe vthe vtwo vbasic vcomponents vof va vvirus. v- vAnswer v- v1) vGenomic vmaterial vmade vup vof
vDNA vor vRNA
2) vCapsid, vwhich vis va vmembrane vlike vprotective vstructure vthat vcontains vgenetic vmaterial.
The v________ vsurrounds vthe vcapsid vof vsome vviruses. v- vAnswer v- venvelope
Rank vthe vfalling vviruses vfrom vsmallest vto vlargest:
Poliovirus v
Variolavirus
Orthomyxovirus v- vAnswer v- vVariolavirus
Orthomyxovirus
Poliovirus
True vor vFalse: vViral vreplication voccurs vafter vit vattaches vand venters vthe vhost vcell. v- vAnswer v-
vTrue
True vor vFalse. vYou vwould vexpect vto vsee va vviral venvelope von va vvirus vinfecting va vbacterial vcell. v-
vAnswer v- vFalse. vThe vmajority vof vanimal vviruses vare venveloped vwhereas vthe vmajority vof vplant vor
vbacteria vinfecting vviruses vare vnot
Rank vthe vfollowing vviruses vbased von vtheir vsize vfrom vlargest vto vsmallest:
, Paramyxovirus
Polivirus v
Smallpox vvirus v- vAnswer v- v1 v(Largest): vSmallpox
2: vParamyxovirus
3 v(Smallest): vPoliovirus
True vor vFalse: vHighly vinfectious vviruses vundergo vgenome vreplication vprior vto vviral vattachment
vand ventry. v- vAnswer v- vFalse. vThe vviral vgenome vis vnever vreplicated vbefore vattachment vand ventry
vregardless vof vits vlevel vof vinfectivity
Place vthe vfollowing vviral vlife vcycle vsteps vin vorder vbeginning vwith vviral vattachment vand vprovide va
vdescription vof veach vstep.
Uncoating:
Release:
Replication:
Attachment:
Entry:
New vinfection: v- vAnswer v- v1) vViral vAttachment: vVirus vparticle vattaches vto vsurface vof vhost's vcell
2) vEntry: vVirus vfuses vwith vhost vmembrane vand venters vcell
3) vUncoating: vonce vviral vgenetic vmaterial vis vinside vhost's vcell, venvelope vwill vshed vreleasing
vgenetic vmaterial v(disessembles)
4) vReplication: vViral vgenetic vmaterial vreplicates vand vnew vviral vproteins vare vmade
5) vRelease: vNew vviruses vproduced v& vleave vhost vcell
6) vNew vInfection: vNewly vreleased vvirus vparticles vfind va vnew vhost vcell vto vinfect v(continuing
vprocess)
A vvirus vthat vinfects vbacteria vis vcalled va v[answer1] vand vcontains va v[answer2] v-sided vpolygon
vcapsid. v- vAnswer v- vBacteriophages v
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Questions And Answers
True vor vFalse. vBecause vthe vgenome vis vcontained vwithin van venclosed vspace v(much vlike vthe
vnucleus vof va vcell), vviruses vare vclassified vas veukaryotic. v- vAnswer v- vFalse. vViruses vare vneither
veukaryotic vnor vprokaryotic
Describe vthe vtwo vbasic vcomponents vof va vvirus. v- vAnswer v- v1) vGenomic vmaterial vmade vup vof
vDNA vor vRNA
2) vCapsid, vwhich vis va vmembrane vlike vprotective vstructure vthat vcontains vgenetic vmaterial.
The v________ vsurrounds vthe vcapsid vof vsome vviruses. v- vAnswer v- venvelope
Rank vthe vfalling vviruses vfrom vsmallest vto vlargest:
Poliovirus v
Variolavirus
Orthomyxovirus v- vAnswer v- vVariolavirus
Orthomyxovirus
Poliovirus
True vor vFalse: vViral vreplication voccurs vafter vit vattaches vand venters vthe vhost vcell. v- vAnswer v-
vTrue
True vor vFalse. vYou vwould vexpect vto vsee va vviral venvelope von va vvirus vinfecting va vbacterial vcell. v-
vAnswer v- vFalse. vThe vmajority vof vanimal vviruses vare venveloped vwhereas vthe vmajority vof vplant vor
vbacteria vinfecting vviruses vare vnot
Rank vthe vfollowing vviruses vbased von vtheir vsize vfrom vlargest vto vsmallest:
, Paramyxovirus
Polivirus v
Smallpox vvirus v- vAnswer v- v1 v(Largest): vSmallpox
2: vParamyxovirus
3 v(Smallest): vPoliovirus
True vor vFalse: vHighly vinfectious vviruses vundergo vgenome vreplication vprior vto vviral vattachment
vand ventry. v- vAnswer v- vFalse. vThe vviral vgenome vis vnever vreplicated vbefore vattachment vand ventry
vregardless vof vits vlevel vof vinfectivity
Place vthe vfollowing vviral vlife vcycle vsteps vin vorder vbeginning vwith vviral vattachment vand vprovide va
vdescription vof veach vstep.
Uncoating:
Release:
Replication:
Attachment:
Entry:
New vinfection: v- vAnswer v- v1) vViral vAttachment: vVirus vparticle vattaches vto vsurface vof vhost's vcell
2) vEntry: vVirus vfuses vwith vhost vmembrane vand venters vcell
3) vUncoating: vonce vviral vgenetic vmaterial vis vinside vhost's vcell, venvelope vwill vshed vreleasing
vgenetic vmaterial v(disessembles)
4) vReplication: vViral vgenetic vmaterial vreplicates vand vnew vviral vproteins vare vmade
5) vRelease: vNew vviruses vproduced v& vleave vhost vcell
6) vNew vInfection: vNewly vreleased vvirus vparticles vfind va vnew vhost vcell vto vinfect v(continuing
vprocess)
A vvirus vthat vinfects vbacteria vis vcalled va v[answer1] vand vcontains va v[answer2] v-sided vpolygon
vcapsid. v- vAnswer v- vBacteriophages v
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