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  4. The structural and functional unit of the striated muscle fibre is called

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Q. The structural and functional unit of the striated muscle fibre is called

CMC MedicalCMC Medical 2013

Solution:

The distance between two z-lines is called as sarcomere, which is a functional unit of the muscle. Each sarcomere includes one complete A-band and 2 halves bands on the sides $ \left( 1/2+A+\frac{1}{2} \right) $ .