The length of myofibril from one Z-band to the next is known as:
Correct answer: A. Sarcomere
- A. Sarcomere
- B. Sarcolemma
- C. Sarcoplasm
- D. Muscle Fiber
Explanation
Sarcomeres are the basic unit of muscle tissue, and are present between two z-lines in a muscle.
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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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