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In the sliding filament theory of muscle contraction, which of the following ions bind to troponin and initiate actin-myosin binding?
Filtration
The process of separating solids from liquids or gases using a filter medium that allows only the fluid to pass through.
Active Transport
The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.
Vital Capacity
The maximum amount of air a person can expel from the lungs after a maximum inhalation, used to assess the health of respiratory systems.
Tidal Volume
The volume of air moved into or out of the lungs during a normal breath.
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