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  4. Plasma membrane ofis known as sarcolemma.

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Q. Plasma membrane of_______is known as sarcolemma.

NTA AbhyasNTA Abhyas 2020Structural Organisation in Animals

Solution:

Muscle fibre
- Each muscle fibre is covered by a plasma membrane, known as sarcolemma.
- Muscle fibre is a syncytium (multinucleated condition) and is having cytoplasm (sarcoplasm), endoplasmic reticulum (sarcoplasmic reticulum - store house of calcium ions) and a large number of parallely arranged filaments in the sarcoplasm - myofilaments or myofibrils.