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QUESTION 1 Each muscle fiber is innervatedby a.one nerve fiber b.two or more nerve fibers c.an autonomic nerve fiber d.
QUESTION 1
Each muscle fiber is innervated by
a.one nerve fiber
b.two or more nerve fibers
c.an autonomic nerve fiber
d.none of the above
QUESTION 2The plasma membrane of a muscle cell is referred to as which of the following?
a.sarcoplasmic reticulum
b.sarcolemma
c.plasmalemma
d.none of the above
QUESTION 3- Which of the following is a protein located in myofibrils?
a.actin
b.myosin
c.dystrophin
d.both a and b
QUESTION 4Thick filaments contain
a.actin
b.myosin
c.actin and myosin
d.none of the above
QUESTION 5Thin filaments contain
a.myosin
b.actin
c.choline
d.none of the above