Muscles
Authored by Nancy Sanders
Biology
12th Grade
Used 628+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Light I Band consists of...
Myosin filaments only
Actin filaments only
Myosin and actin filaments
none of the above
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The functional unit of the muscle cell is the:
Sarcomere
Osteon
Myofilament
Muscle fiber
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The thick filament is composed of:
Myosin
Actin
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril
Muscle fiber
Myofilament
Sarcomere
Actin
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The thin filament is composed of:
Myosin
Actin
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Actin filaments bound to the edges of the sarcomere, in zig zag structures also known as the...
M-Line
H-Zone
Z-Disc
A-Band
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ________ functions in storing Ca2.
Sarcoplasmic Reticulum
T Tubules
Mitochondria
Fascicle
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