Cross bridges are found on:
Correct answer: B. Myosin
- A. Actin
- B. Myosin
- C. Troponin
- D. Tropomyosin
Explanation
At high magnification, small bridge-like structures can be seen on the thick filaments (myosin) extending toward the thin filaments (actin) in the overlap region. They are called cross bridges and are believed to be responsible for the movement and force developed during contraction
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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