What are A, B and C in the shown diagram of ultra structure of the skeletal muscle.

A- Myosin, B-Actin, C- Sarcomere

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A- Sarcomere, B-Actin, C- Myosin

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A- Myosin, B-Sarcomere, C- Sarcomere

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A- Actin, B- Myosin, C- Sarcomere

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Solution

The correct option is B
A- Sarcomere, B-Actin, C- Myosin

Ultra Structure of Skeletal Muscle
Each myofibril is made up of filamentous protein fibres called myofilaments. There are mainly two types of myofilaments - thin actin filaments and thick myosin filaments. Myosin filaments and actin filaments are arranged alternately and gives the striated appearance to the skeletal muscles.

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Which part of the sarcomere is formed only by myosin filaments in a relaxed state?

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