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Clemson Biol 2220 Exam 3 with correct Answers
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Clemson Biol 2220 Exam 3 with correct Answers
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Clemson Biol 2220 Exam 3 with correctAnswers
What iido iiskeletal iiand iismooth iimuscle iihave iiin iicommon? ii- iiAnswers ii-1. iihas
iielongated iicells
2. iinucleated
What iido iiskeletal iiand iicardiac iimuscle iihave iiin iicommon? ii- iiAnswers ii-1. iinucleated
2. iiStriations
What iido iismooth iiand iicardiac iimuscle iihave iiin iicommon? ii- iiAnswers ii-1. iiboth
iiinvoluntary iicontrol ii
2. iinucleated
Define iiexcitability ii- iiAnswers ii-The iiability iito iichange iia iimembrane iipotential
Define iicontractility ii- iiAnswers ii-The iiability iito iishorten, iiwhen iistimulated
Define iiextensibility ii- iiAnswers ii-Ability iito iiextend/stretch, iieven iistretching iibeyond
iitheir iiresting iilength, iiwhen iirelaxed.
Define iielasticity ii- iiAnswers ii-Ability iiof iia iimuscle iicell iito iirecoil iiand iiresume iiresting
iilength iiafter iistretching.
What iiare iithe ii4 iicharacteristics iiof iimuscle iitissues? ii- iiAnswers ii-1. iiExcitability
2. iiContractility
3. iiExtensibility
4. iiElasticity
What iiare iithe ii4 iibasic iimuscle iifunctions? ii- iiAnswers ii-1. iiProduce iimovement
2. iiMaintain iiposture
3. iiStabilize iijoints
4. iiGenerate iiheat
State iithe iiMuscle iiorganization iilevels iifrom iismallest iito iilargest ii(6) ii- iiAnswers ii-
myofilament-->sarcomere ii--> iimyofibril-->Muscle iicell-->fascicle-->muscle ii(organ)
A iimyofilament iicontains ii____________ iiand ii_____________. iiIt iiis iithe ii___________
iilevel iiof iia iimuscle. ii- iiAnswers ii--Acin iiand iimyosin
-smallest
, A iisarcomere iiis iia iisegment iicomposed iiof ii__________________s. iiThe iiunit iigoes
iifrom ii__ iidisk iito ii__ iidisk. ii- iiAnswers ii-myofilaments, iigoes iifrom iiz iidisk iito iiz iidisk.
A iimyofibril iiis iimade iiup iifrom ii___________________s, iialigned iiwithin. ii- iiAnswers ii-
sarcomeres
A iimuscle ii(fiber) iicell iiis iiwrapped iiin ii______________________, iiwhich iiis iithen
iienveloped iiin ii__________________. ii- iiAnswers ii-sarcolemma, iithen iiendomysium. ii
(sarcolemma iiholds iithe iifiber iitogether, iiwhile iithe iiendomysium iiwraps iiaround iiit iinext)
A iifascicle iiholes iimany ii____________ ii______________. ii- iiAnswers ii-muscle iifibers
A iifascicle iiis iisurrounded iiby ii_________________. ii- iiAnswers ii-perimysium
The iiwhole iimuscle iiis iicovered iiin ii_____________________. ii- iiAnswers ii-Epimysium
A iimuscle iiorgan iiis iimade iiup iiof iimany ii__________________. ii- iiAnswers ii-fascicles
What iipart iiof iia iiskeletal iimuscle iido iithese iicover?
1.Epimysium-
2.Perimysium-
3.Endomysium- ii- iiAnswers ii-1.The iiwhole iimuscle iiorgan
2. iicovers iifascicles
3. iicovers iimuscle iifibers ii(cells)
Epimysium iiis iimade iiup iiof ii____________ ii____________ iiconnective iitissue. ii-
iiAnswers ii-dense iiirregular
Perimysium iiis iimade iiup iiof ii_____________ ii______________ iiconnective iitissue. ii-
iiAnswers ii-dense iiirregular
Endomysium iiis iimade iiup iiof iifine ii___________________ iiconnective iitissue. ii-
iiAnswers ii-areolar
Origin iivs iiInsertion iiAttachment ii- iiAnswers ii-Origin: iiless iior iinonmovable iiattachment ii
Insertion: iimoveable iiattachment iiof iia iimuscle
what iiare iiglycosomes? ii- iiAnswers ii-Granules iiof iistored iiglycogen iifor iifuel
What iiis iithe iidifference iibetween iimyoglobin iiand iihemoglobin? ii- iiAnswers ii-The
iimyoglobin iilets iigo iiof iithe iioxygen iimuch iifaster
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