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Questions and Answers
Which region of the sarcomere contains both actin and myosin myofilaments overlapping, except in the center?
Which region of the sarcomere contains both actin and myosin myofilaments overlapping, except in the center?
- A band (correct)
- H zone
- M line
- I band
What is the function of the Z disks in the sarcomere?
What is the function of the Z disks in the sarcomere?
- To form an attachment for actin myofilaments (correct)
- To give the muscle the ability
- To anchor myosin myofilaments
- To hold the actin myofilaments in place
What is the purpose of the H zone in the sarcomere?
What is the purpose of the H zone in the sarcomere?
- To extend to the ends of the myosin myofilaments
- To contain only myosin myofilaments (correct)
- To anchor myosin myofilaments
- To hold the actin myofilaments in place
Which protein holds the myosin myofilaments in place in the sarcomere?
Which protein holds the myosin myofilaments in place in the sarcomere?
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What is the main component of the I bands in the sarcomere?
What is the main component of the I bands in the sarcomere?
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Which protein forms an attachment for actin myofilaments in the sarcomere?
Which protein forms an attachment for actin myofilaments in the sarcomere?
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What is the main component of the A band in the sarcomere?
What is the main component of the A band in the sarcomere?
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Which region of the sarcomere contains only myosin myofilaments?
Which region of the sarcomere contains only myosin myofilaments?
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What is the function of the M line in the sarcomere?
What is the function of the M line in the sarcomere?
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What gives muscle the ability to stretch and recoil?
What gives muscle the ability to stretch and recoil?
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