The Ultrastructure of the Sacromere During Contraction Flashcards

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1
Q

What are the observable changes to the sarcomere during contraction

A

1) I band becomes narrower
2) Z lines move closer together (sarcomere shortens)
3) H zone becomes narrower

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2
Q

What stays the same during the sarcomere contraction

A

A band remains the same width

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