CHAMBERLAIN BIOS 252 EXAM 1
skeletaluimuscleui-uians--
Auimuscleuithatuiisuiattacheduitouitheuibonesuiofuitheuiskeletonuianduiprovidesuitheuiforceuith
atuimovesuitheuibones.
Locationuiofuiskeletaluimuscleui-uians--
inuiskeletaluimusclesuiattacheduitouibonesuioruioccasionallyuitouiskin
Excitabilityui-uians--abilityuitouiresponduitouistimuli
Conductivityui-uians--
Theuiabilityuiofuianuiobjectuitouitransferuiheatuioruielectricityuitouianotheruiobject.
Extensibilityui-uians--abilityuitouibeuistretched
Elasticityuiofuimuscleui-uians--
Abilityuiofuimuscleuifibersuitouirecoiluianduiresumeuitheiruirestinguilengthuiafteruibeinguistretc
hed.
Contractibilityui-uians--abilityuitouishorten/contract
Sarcomereui-uians--Contractileuiunituiofuimuscleui(zuidiscuitouizuidisc)
Sarcolemmaui-uians--muscleuicelluimembrane
sarcoplasmicuireticulumui(SR)ui-uians--
organelleuiofuitheuimuscleuifiberuithatuistoresuicalcium
Zuidiscui-uians--coin-
shapeduisheetuiofuiproteinsuithatuianchorsuitheuithinuifilamentsuianduiconnectsuimyofibrilsuit
ouioneuianother
Muilineui-uians--middleuiofuisarcomere
Auibandui-uians--darkuiarea;uiextendsuilengthuiofuitheuithickuifilaments
Iuibandui-uians--lightuiband,uiactinuionly
, ZoneuiofuiOverlapui-uians--whereuithickuianduithinuifilamentsuioverlap
Thickuifilamentsui-uians--myosin
Thinuifilamentsui-uians--actin
contractileuiproteinsuiinuimuscleui-uians--actinuianduimyosin
structuraluiproteinsui-uians--proteinsuithatuiformuianuiorganism'suiphysicaluiattributes
regulatoryuiproteinsui-uians--tropomyosinuianduitroponin
Microfilamentsui-uians--
Long,uithinuifibersuithatuifunctionuiinuitheuimovementuianduisupportuiofuitheuicell
Myofibrilsui-uians--Microscopicuiproteinuifilamentsuithatuimakeuiupuimuscleuicells.
muscleuifiberui-uians--muscleuicell
muscleuifassicleui-uians--bundleuiofuimuscleuifibers
Epimysiumui-uians--surroundsuientireuimuscle
Perimysiumui-uians--Connectiveuitissueuisurroundinguiauifascicle
Endomysiumui-uians--Connectiveuitissueuisurroundinguiauimuscleuifiber
stepsuiofuineuromuscularuijunctionui-uians--
1.uiactionuipotentialuigeneratesuireleaseuiofuiacetylcholine
2.uiactionuipotentialuiisuigenerateduiinuisarcolemmauiofuimuscleuicelluianduitravelsuithroughui
Tuitubules
3.uisarcoplasmicuireticulumuireleasesuiCa2+
4.uimyosinuicrossuibridgesuicanuiform
stepsuiofuislidinguifilamentuitheoryui-uians--
1)uiAuisarcomereuishortensuiasuiauiresultuiofuitheuizuilinesuimovinguicloseruitogether
2)uiTheuizuilinesuiconvergeuiasuitheuiresultuiofuimyosinuiheadsuiattachinguitouitheuiactinuifila
mentuianduiasynchronouslyuipullingui(poweruistrokes)uitheuiactinuifilamentuiacrossuitheuimy
osin,uiresultinguiinuishorteninguiofuitheuimuscleuifiber.
relaxationuiofuiskeletaluimuscleui-uians--
1.uiAchuiisuidegradeduiinuitheuisynapseuibyuiacetylcholinesterase
2.uistopsuiAPuiinuimuscleuicell
3.uiclosesuiSRuichannelsuireleasinguiCa
4.uiactin-myosinuidissociateuianduireturnuitouirestinguilength
skeletaluimuscleui-uians--
Auimuscleuithatuiisuiattacheduitouitheuibonesuiofuitheuiskeletonuianduiprovidesuitheuiforceuith
atuimovesuitheuibones.
Locationuiofuiskeletaluimuscleui-uians--
inuiskeletaluimusclesuiattacheduitouibonesuioruioccasionallyuitouiskin
Excitabilityui-uians--abilityuitouiresponduitouistimuli
Conductivityui-uians--
Theuiabilityuiofuianuiobjectuitouitransferuiheatuioruielectricityuitouianotheruiobject.
Extensibilityui-uians--abilityuitouibeuistretched
Elasticityuiofuimuscleui-uians--
Abilityuiofuimuscleuifibersuitouirecoiluianduiresumeuitheiruirestinguilengthuiafteruibeinguistretc
hed.
Contractibilityui-uians--abilityuitouishorten/contract
Sarcomereui-uians--Contractileuiunituiofuimuscleui(zuidiscuitouizuidisc)
Sarcolemmaui-uians--muscleuicelluimembrane
sarcoplasmicuireticulumui(SR)ui-uians--
organelleuiofuitheuimuscleuifiberuithatuistoresuicalcium
Zuidiscui-uians--coin-
shapeduisheetuiofuiproteinsuithatuianchorsuitheuithinuifilamentsuianduiconnectsuimyofibrilsuit
ouioneuianother
Muilineui-uians--middleuiofuisarcomere
Auibandui-uians--darkuiarea;uiextendsuilengthuiofuitheuithickuifilaments
Iuibandui-uians--lightuiband,uiactinuionly
, ZoneuiofuiOverlapui-uians--whereuithickuianduithinuifilamentsuioverlap
Thickuifilamentsui-uians--myosin
Thinuifilamentsui-uians--actin
contractileuiproteinsuiinuimuscleui-uians--actinuianduimyosin
structuraluiproteinsui-uians--proteinsuithatuiformuianuiorganism'suiphysicaluiattributes
regulatoryuiproteinsui-uians--tropomyosinuianduitroponin
Microfilamentsui-uians--
Long,uithinuifibersuithatuifunctionuiinuitheuimovementuianduisupportuiofuitheuicell
Myofibrilsui-uians--Microscopicuiproteinuifilamentsuithatuimakeuiupuimuscleuicells.
muscleuifiberui-uians--muscleuicell
muscleuifassicleui-uians--bundleuiofuimuscleuifibers
Epimysiumui-uians--surroundsuientireuimuscle
Perimysiumui-uians--Connectiveuitissueuisurroundinguiauifascicle
Endomysiumui-uians--Connectiveuitissueuisurroundinguiauimuscleuifiber
stepsuiofuineuromuscularuijunctionui-uians--
1.uiactionuipotentialuigeneratesuireleaseuiofuiacetylcholine
2.uiactionuipotentialuiisuigenerateduiinuisarcolemmauiofuimuscleuicelluianduitravelsuithroughui
Tuitubules
3.uisarcoplasmicuireticulumuireleasesuiCa2+
4.uimyosinuicrossuibridgesuicanuiform
stepsuiofuislidinguifilamentuitheoryui-uians--
1)uiAuisarcomereuishortensuiasuiauiresultuiofuitheuizuilinesuimovinguicloseruitogether
2)uiTheuizuilinesuiconvergeuiasuitheuiresultuiofuimyosinuiheadsuiattachinguitouitheuiactinuifila
mentuianduiasynchronouslyuipullingui(poweruistrokes)uitheuiactinuifilamentuiacrossuitheuimy
osin,uiresultinguiinuishorteninguiofuitheuimuscleuifiber.
relaxationuiofuiskeletaluimuscleui-uians--
1.uiAchuiisuidegradeduiinuitheuisynapseuibyuiacetylcholinesterase
2.uistopsuiAPuiinuimuscleuicell
3.uiclosesuiSRuichannelsuireleasinguiCa
4.uiactin-myosinuidissociateuianduireturnuitouirestinguilength
