14. Sarcomere Architecture: Boundaries & Lines

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9 Terms

1
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What functional units are formed by the arrangement of actin and myosin?

Sarcomeres

2
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What boundary structure serves as the point of thin filament attachment?

Z disc

3
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What filaments attach directly to the Z disc?

Thin filaments

4
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What protein composes the thin filaments attached to the Z disc?

Actin

5
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From what boundary to what boundary does a sarcomere run?

Z disc to Z disc

6
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What structural line serves as the point of thick filament attachment?

M line

7
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What filaments attach directly to the M line?

Thick filaments

8
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What protein composes the thick filaments attached to the M line?

Myosin

9
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Where is the M line located in a sarcomere?

Middle of sarcomere