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9
Thick Myofilament: Myosin (5 characteristics)
Resemble bundles of minute golf clubs
2 subunits twisted around each other; each with tail and head
Tail points toward M line
Head projects outward toward nearest thin filament
Myosin head interacts with exposed attachment sites on thin filament during contraction: cross-bridge: fx as hinge, lets head pivot at base
2 subunits twisted around each other; each with tail and head
Tail points toward M line
Head projects outward toward nearest thin filament
Myosin head interacts with exposed attachment sites on thin filament during contraction: cross-bridge: fx as hinge, lets head pivot at base