Respuesta :
Answer: proteins
Explanation:
The myofibril proteins are organized into filaments of varying sizes thick and thin and is called myofilaments.
Answer: Myofibrills are long fibril proteins.
Explanation:
Myofibrill protein is a rod like unit of muscle cells. It is made up of long fibril protein which form sacromeres that cover the active sites on action bundles inside a whole muscle connections between action and myosin. Myosin form the thick filament and have long tail and globular head that binds actin. Actin form the thin filament.