Examlex
Which of the following accessory organs produces a fluid to begin chemical digestion of food?
Myosin Head
The part of the myosin protein that binds to actin filaments, enabling muscle contraction.
Actin Filament
Thin myofilament within the sarcomere; composed of two F actin molecules, tropomyosin, and troponin molecules.
Synaptic Vesicles
Small sacs in the presynaptic terminal of neurons that store neurotransmitters, which are released into the synaptic cleft during neurotransmission.
Neuromuscular Junction
The synapse or point of contact between a motor neuron and a muscle fiber, through which signals are transmitted to cause muscle contraction.
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