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ART-BASED QUESTIONS Use this figure to answer the corresponding questions. Some

Question : ART-BASED QUESTIONS Use this figure to answer the corresponding questions. Some : 1417108

 

ART-BASED QUESTIONS

Use this figure to answer the corresponding questions. Some questions may have more than one answer.

1.The structure labeled ____ contains only three different proteins.

2.Number ____ identifies the functional unit of skeletal muscle.

3.Actin is not found in the parts labeled ___, ___, ___, ___, and ___.

4.Which two labeled parts serve as anchoring sites for the body's largest protein molecule? ____

5.Which region(s) marked by arrows or brackets do not change length during normal contraction and relaxation of the muscle fiber? ____

6.Calcium ions must bind specifically to part ____ in order for the muscle fiber to contract.

 

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Biology 3 Years Ago 105 Views
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