The microfilaments of a muscle

Are arranged in compartments known as sarcomeres

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Are composed of proteins known as actin and myosin

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Are the actual contractile elements of the fibre

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All of the above

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Solution

The correct option is B All of the above
Myofilament is the filaments of myofibrils, constructed from proteins, principally myosin or actin.
They are made up of thick and thin myofilament, which helps to give it a striped appearance.
So, the correct option is 'all of the above'.

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