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Type: Multiple-Choice
Category: Skin, Skeleton, and Muscles
Level: College
Author: mhaughey28
Last Modified: 8 years ago

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Skin, Skeleton, and Muscles Question

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College Skin, Skeleton, and Muscles

During isotonic contraction of a skeletal muscle fiber the                                                        .
  1. Sarcomeres shorten
  2. A bands shorten
  3. I bands shorten
  4. Both sarcomeres shorten and I bands shorten are correct
  5. Both A bands shorten and I bands shorten are correct