Examlex
To create democracies,certain conditions must be met.Which of the following is one important precondition for democracy?
Z Disk
A structure within the sarcomere of muscle fibers that serves as the attachment site for actin filaments, marking the boundary between sarcomeres.
Sarcomere
The structural unit of a muscle fiber, consisting of a repeating sequence of actin and myosin filaments, responsible for muscle contraction.
Actin Myofilament
A protein filament essential to muscle contraction, part of the thin filaments in muscle fibers that slide over myosin for muscle movement.
Intercalated Disks
Specialized connections between cardiac muscle cells that facilitate the synchronized contraction of the heart.
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