Sliding Filament Theory - Muscle Contraction
Authored by Elle Pennington
Science
10th - 12th Grade
NGSS covered
Used 62+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The contractile unit of a muscle:
sarcomere
motor unit
fascicle
myofibril
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thick filaments within a myofibril are:
ATPase
Sarcoplasmic reticulum
Actin
Myosin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thin filaments in a myofibril are
Sarcomeres
Sarcoplasm
Actin
Myosin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcium:
causes ATP binding to actin
increases the action potential along the sarcolemma
binds to proteins on myosin
triggers the binding of myosin to actin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a crossbridge?
Where myosin binds to actin
Where the calcium crosses into the cytoplasm
Where calcium binds with troponin
None of the answers are correct.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The energy needed to perform a muscle contraction comes directly from
ATP
Oxygen
Glucose
Calcium
Tags
NGSS.HS-LS1-7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The neurotransmitter stored in the axon terminal identified as #3
Calcium Ion (Ca2+)
Protein Channel
Acetylcholine
Synaptic Cleft
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