Assertion: muscle fiber's filament | /r/HasProperty | the protein actin
Facets:
Source sentences:
text: Thick filaments are composed of the protein myosin; thin filaments are composed of the protein actin.
text: Thick filaments are composed of the protein myosin; thin filaments are composed of the protein actin.
text: Thick filaments are composed of the protein myosin; thin filaments are composed of the protein actin.
text: Thick filaments are composed of the protein myosin; thin filaments are composed of the protein actin.