Sliding Filament Theory Quiz
Authored by Lisa Seward
Physical Ed
11th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Huxley’s Sliding Filament Theory explain?
How muscles contract
How muscles relax
How muscles grow
How muscles atrophy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are muscles made up of according to the theory?
Myofibrils consisting of actin and myosin
Myofibrils consisting of collagen and elastin
Myofibrils consisting of keratin and fibrin
Myofibrils consisting of hemoglobin and myoglobin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which region is located between the Z Line and the start of the A bands and contains thin filaments?
I Band
A Band
Z Line
H Zone
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which area of the sarcomere is located at its center?
I Band
A Band
Z Line
H Zone
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the distance of the two Z Lines when a muscle contracts?
It increases
It decreases
It remains the same
It fluctuates
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the thick filament in muscle fibers known as?
Actin
Myosin
Tropomyosin
Troponin
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many troponin molecules are on each tropomyosin strand?
1
2
3
4
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