Which structural protein anchors actin filaments at the Z line in cardiac muscle?
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Correct answer: Titin
Titin is a large elastic protein that helps stabilize the sarcomere and anchors actin filaments to the Z line. It also contributes to muscle elasticity.
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More Cardiac Muscle Histology questions
- Which cardiac muscle feature increases efficiency of contraction and coordination?
- Which histological feature is commonly used to identify cardiac muscle tissue under a microscope?
- Which structural feature is characteristic of cardiac muscle cells but not skeletal muscle cells?
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