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The first Christian Emperor of the Roman Empire was
Plasma Membrane
A selective barrier that surrounds a cell, controlling the movement of substances in and out of the cell.
Sliding Filament Model
A theory explaining the mechanism of muscle contraction through the sliding of actin (thin) filaments over myosin (thick) filaments, shortening the sarcomere.
Muscle Contraction
The process where muscle fibers shorten or lengthen to produce movement or maintain posture.
Contraction Cycle
The series of events in muscle fibers that lead to shortening and generating force, crucial for movement.
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