Anatomy 9b Muscle Contractions
Authored by Penny Dunning
Science
11th - 12th Grade
NGSS covered
Used 74+ times
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18 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which 2 of the following are the regulatory proteins in muscle contraction? (Multiple answer)
Sarcoplasmic reticulum
Actin
Troponin
Myosin
Tropomyosin
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca2+ released by sarcoplasmic reticulum will bind to
Actin
Troponin
Myosin
Tropomyosin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following refers to the muscle cell?
Myofibril
Myofilament
Fascicle
Muscle fiber
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__________ is attached to the Z line?
myosin
actin
thick filament
troponin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the contractile unit formed from Z line to Z line?
Sarcomere
T Tubule
Sarcoplasmic reticulum
Fascicle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
____________ attaches to actin to form the cross bridge.
Troponin
Tropomyosin
Myosin
Calcium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does calcium attach to in order to allow a a muscle contraction?
Myosin
Tropomyosin
Troponin
Actin
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