BSC 1010 FINAL EXAM REVIEW
mk mk mk mk
QUESTIONS WITH VERIFIED ANSWERS mk mk mk
2024
mk
Put mkthemkstepsJof mkthemkprocessJof mksignal mktransduction mkinmkthemkorder mktheymkoccur:
1. AJconformational mkchange mkinmkthemksignal-receptor mkcomplex mkactivates mkanmkenzyme.
2. Proteinmkkinases mkaremkactivated.
3. AJsignal mkmoleculemkbinds mkto mka mkreceptor.
4. Target mkproteins mkare mkphosphorylated.
5. Secondmkmessenger mkmolecules mkare mkreleased. mk- mkcorrect mkanswer-3,1,5,2,4
Integrins mkare mkintegral mkmembrane mkproteins. mkThey mkare mkoften mkattached mkto mk .
mk-mkcorrectJanswer- mkcytoskeletal mkproteins mkand mkproteins mkin mkthe mkextracellular mkmatrix
Phosphorylation mkcascade mkinvolvingJa mkseries mkof mkprotein mkkinases mkare mkuseful mkfor mkcellular mksignal
mktransduction mkbeca mkuseJthey . mk- mkcorrect mkanswer-amplify mkthe mkoriginal mksignal mkmany mktimes
The mkreceptorsmkdoe mksteroidmkhormones mkaremklocated mkinside mkthe mkcell mkinstead mkofmkonmkthemkmembrane
mksurface mklike mkmos mkt mkother mksignal mkreceptors. mkThis mkis mkNOT mka mkproblem mkfor mksteroids mkbecause
. mk- mkcorrect mkanswer-
steroid mkhormones mkare mklipid mksoluble, mkso mkthey mkcanmkreadily mkdiffuse mkthrough mkthe mklipid mkbilayer mkon
mktheJcell mkmembran mke.
Which mkstateerningJhow mkthe mkmolecular mkcomposition mkof mkamkplant mkcell mkwall mkcompare mkwithmkthe
mkextracellular mkmatrix mkof mkanimal mkcells? mk- mkcorrect mkanswer-
Plant mkcellmkwallmkfibers mkconsistmkprimarily mkofmkcarbohydratesmkECMmkfibersmkaremkdominated mkbymkproteins.
The mkstructure mkthat mkanchors mkadjacent mkepithelial mkcells mkvia mktheir mkcytoskeleton mkis mkthe -
mkcorrectmkanswer- mkdesmosome
Activated mksignal mkreceptors mkonmkthemkplasma mkmembrane mkcanmkcarry mkout mkwhichmktwo mkactivities? mk- mkcorrect
mkanswer- mkCatalyze mkreceptor mkphosphorylation; mkactivate mkG mkproteins
, DifferentJcell mktypes mkcan mkrespond mkdifferently mkto mkthe mksame mksignalingJmolecule mkbecause
mk .
mk- mkcorrect mkanswer-each mkcell mktype mkconverts mkthe mksignal mkto mka mkdifferent mkmetabolite.
Whenmkamklipid- mksoluble mkhormonemkentersmka mkcell mkandmkbinds mka mkreceptor,mkwhatmkhappens mktomkthe
mkreceptor? mk- mkcorrect mkanswer-It mkentersJthe mknucleus mkand mkactivates mkgenes.
SignalingmkpathwaysmkalwaysmkworkmkinmkcompleteJisolation mkfrommkonemkanother.mk-mkcorrect mkanswer-False
Inmkeukaryotic mkcells, mkchromosomes mkaremkcomposedmkofmk .mk-mkcorrectJanswer-DNAmkand mkproteins
FormsmkofmkthemkRasmkproteinmkfoundmkinmktumorsJwouldmkcause mkwhichmkofmkthemkfollowing? mk-mkcorrect
mkanswer- mkDNA mkreplication mkto mkbe mkhyperactive.
The mkmitotic mkspindle mkis mka mkmicro mktubular mkstructure mkthat mkis mkinvolved mkin mk .mk-mkcorrect
mkanswer- mkseparation mkof mksister mkchromatids.
WhatJis mkthe mkstructure mkof mkmitosis mkpromotingJfactor mk(mpf)? mk-Jcorrect mkanswer-A mkcyclin mkprotein mkbound mktoJa
mkcyclin- mkdependent mkkinase.
Whichmkof mkthe mkfollowingJwould mkbe mkusedmkto mkdifferentiate mkbetweenmkbenignmkandmkmalignant
mktumors? mk- mkcorrect mkanswer-The mkability mkto mkinvade mkother mktissues
Most mkcancer mkcells mkhave mkdefects mkinmkeither mkgrowth mksignalingJpathwaysJor mkcell mkcycle mkcontrol
mkprocesses. mk- mkcorrectmkanswer-True
What mkismkthemkspindle mkapparatus? mk-Jcorrect mkanswer-The mkmicrotubule mkstructuremkthat mkseparates
mkchromosomes
The mkprocessmkofmkcytokinesisJoccurs mkdifferently mkinmkplants mkandmkanimals.mk- mkcorrect mkanswer-True
Proteins mkthat mkare mkinvolved mkinmkthe mkregulation mkof mkthe mkcell mkcycle mkandmkthat mkshow mkfluctuations mkin
mkconcentration mkduri mkng mkthe mkcell mkcycle mkare mkcalled mk . mk- mkcorrect mkanswer-cyclins
mk mk mk mk
QUESTIONS WITH VERIFIED ANSWERS mk mk mk
2024
mk
Put mkthemkstepsJof mkthemkprocessJof mksignal mktransduction mkinmkthemkorder mktheymkoccur:
1. AJconformational mkchange mkinmkthemksignal-receptor mkcomplex mkactivates mkanmkenzyme.
2. Proteinmkkinases mkaremkactivated.
3. AJsignal mkmoleculemkbinds mkto mka mkreceptor.
4. Target mkproteins mkare mkphosphorylated.
5. Secondmkmessenger mkmolecules mkare mkreleased. mk- mkcorrect mkanswer-3,1,5,2,4
Integrins mkare mkintegral mkmembrane mkproteins. mkThey mkare mkoften mkattached mkto mk .
mk-mkcorrectJanswer- mkcytoskeletal mkproteins mkand mkproteins mkin mkthe mkextracellular mkmatrix
Phosphorylation mkcascade mkinvolvingJa mkseries mkof mkprotein mkkinases mkare mkuseful mkfor mkcellular mksignal
mktransduction mkbeca mkuseJthey . mk- mkcorrect mkanswer-amplify mkthe mkoriginal mksignal mkmany mktimes
The mkreceptorsmkdoe mksteroidmkhormones mkaremklocated mkinside mkthe mkcell mkinstead mkofmkonmkthemkmembrane
mksurface mklike mkmos mkt mkother mksignal mkreceptors. mkThis mkis mkNOT mka mkproblem mkfor mksteroids mkbecause
. mk- mkcorrect mkanswer-
steroid mkhormones mkare mklipid mksoluble, mkso mkthey mkcanmkreadily mkdiffuse mkthrough mkthe mklipid mkbilayer mkon
mktheJcell mkmembran mke.
Which mkstateerningJhow mkthe mkmolecular mkcomposition mkof mkamkplant mkcell mkwall mkcompare mkwithmkthe
mkextracellular mkmatrix mkof mkanimal mkcells? mk- mkcorrect mkanswer-
Plant mkcellmkwallmkfibers mkconsistmkprimarily mkofmkcarbohydratesmkECMmkfibersmkaremkdominated mkbymkproteins.
The mkstructure mkthat mkanchors mkadjacent mkepithelial mkcells mkvia mktheir mkcytoskeleton mkis mkthe -
mkcorrectmkanswer- mkdesmosome
Activated mksignal mkreceptors mkonmkthemkplasma mkmembrane mkcanmkcarry mkout mkwhichmktwo mkactivities? mk- mkcorrect
mkanswer- mkCatalyze mkreceptor mkphosphorylation; mkactivate mkG mkproteins
, DifferentJcell mktypes mkcan mkrespond mkdifferently mkto mkthe mksame mksignalingJmolecule mkbecause
mk .
mk- mkcorrect mkanswer-each mkcell mktype mkconverts mkthe mksignal mkto mka mkdifferent mkmetabolite.
Whenmkamklipid- mksoluble mkhormonemkentersmka mkcell mkandmkbinds mka mkreceptor,mkwhatmkhappens mktomkthe
mkreceptor? mk- mkcorrect mkanswer-It mkentersJthe mknucleus mkand mkactivates mkgenes.
SignalingmkpathwaysmkalwaysmkworkmkinmkcompleteJisolation mkfrommkonemkanother.mk-mkcorrect mkanswer-False
Inmkeukaryotic mkcells, mkchromosomes mkaremkcomposedmkofmk .mk-mkcorrectJanswer-DNAmkand mkproteins
FormsmkofmkthemkRasmkproteinmkfoundmkinmktumorsJwouldmkcause mkwhichmkofmkthemkfollowing? mk-mkcorrect
mkanswer- mkDNA mkreplication mkto mkbe mkhyperactive.
The mkmitotic mkspindle mkis mka mkmicro mktubular mkstructure mkthat mkis mkinvolved mkin mk .mk-mkcorrect
mkanswer- mkseparation mkof mksister mkchromatids.
WhatJis mkthe mkstructure mkof mkmitosis mkpromotingJfactor mk(mpf)? mk-Jcorrect mkanswer-A mkcyclin mkprotein mkbound mktoJa
mkcyclin- mkdependent mkkinase.
Whichmkof mkthe mkfollowingJwould mkbe mkusedmkto mkdifferentiate mkbetweenmkbenignmkandmkmalignant
mktumors? mk- mkcorrect mkanswer-The mkability mkto mkinvade mkother mktissues
Most mkcancer mkcells mkhave mkdefects mkinmkeither mkgrowth mksignalingJpathwaysJor mkcell mkcycle mkcontrol
mkprocesses. mk- mkcorrectmkanswer-True
What mkismkthemkspindle mkapparatus? mk-Jcorrect mkanswer-The mkmicrotubule mkstructuremkthat mkseparates
mkchromosomes
The mkprocessmkofmkcytokinesisJoccurs mkdifferently mkinmkplants mkandmkanimals.mk- mkcorrect mkanswer-True
Proteins mkthat mkare mkinvolved mkinmkthe mkregulation mkof mkthe mkcell mkcycle mkandmkthat mkshow mkfluctuations mkin
mkconcentration mkduri mkng mkthe mkcell mkcycle mkare mkcalled mk . mk- mkcorrect mkanswer-cyclins
