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QWhich of these structures has alternate dark and light bands on it?

ID: #8671 Muscular System 135 views
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#8671Q ID
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Muscular SystemTopic
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  • A Troponin ✔ ✖
  • B Actin ✔ ✖
  • C Myosin ✔ ✖
  • D Tropomyosin ✔ ✖
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Explanation

Myofibrils are cylindrical structures that make up the muscle fibers. They contain the contractile elements of the muscle, which are arranged in a repeating pattern of dark and light bands. These bands are called sarcomeres, and they give the myofibrils their characteristic striated appearance.

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