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Parallel Protein Filaments Long Made Myofibrils Cylindrical Organelles

Front myofibrils, parallel and protein filaments
Back long cylindrical organelles made of protein, lined up in parallel provides max force produced when contracting together, made of 2 protein filaments
- actin (thinner, 2 strands twisted around eachother)
- myosin (thicker, long rod shaped fibres, heads poke out)

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