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In a skeletal muscle fibre, the nuclei a...

In a skeletal muscle fibre, the nuclei are

A

Diffused

B

Centrally

C

Peripherally

D

Absent

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Skeletal Muscle Fibers**: Skeletal muscle fibers are specialized cells that make up skeletal muscles. They are known for their elongated or tubular shape. 2. **Nuclei in Skeletal Muscle Fibers**: One of the defining characteristics of skeletal muscle fibers is that they are multinucleated, meaning they contain more than one nucleus. 3. **Location of Nuclei**: In skeletal muscle fibers, the nuclei are not located in the center of the cell. Instead, they are positioned at the periphery or the ends of the cell. 4. **Eliminating Other Options**: - The nuclei are not "diffused centrally" because they are distinctly located at the edges. - They are not "absent" since skeletal muscle fibers are known to have multiple nuclei. - Therefore, the only correct option is that the nuclei are "peripherally" located. 5. **Conclusion**: In a skeletal muscle fiber, the nuclei are located at the periphery of the cell. **Final Answer**: In a skeletal muscle fiber, the nuclei are located peripherally. ---
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Knowledge Check

  • In a muscle fibre :

    A
    sacrolemma is connective tissue holding the myofibrils together
    B
    T system contains calcium storage sacs
    C
    both filaments have cross-bridges
    D
    all of the above
  • In a skeletal muscle cell, which of the following is the basic unit of contraction? (a) Myofibril (b) Muscle fibre (c) Sarcomere (d) Myosin filament

    A
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    B
    Muscle fibre
    C
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    D
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