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Sliding-Filament Model: General

NEURO-8RWQSJ

Sarcomeres, the basic units that comprise striated muscle tissue, shorten during muscle contraction.

The sliding-filament model of sarcomere shortening demonstrates that during contraction, the thin filaments of the sarcomere slide along the thick filaments, bringing what structures closer together?

A

Actin.

B

Z-lines.

C

Myosin.

D

Troponin.