In skeletal muscle, the mechanism of contraction involves

Question

Accepted Answer

Cyclic interactions between myosin crossbridges and the actin filament causing the filaments to slide over each other.

Answer

The myosin crossbridges exerting an outward  pushing force on the thin filaments so that the muscles cell expands.

Answer

The Z lines pushing on the thin filaments to make them slide over the thick filaments.

Answer

ATP forming bridges linking the actin and myosin filaments.

Answer

Shortening of the actin and myosin filaments so that the Z lines are pulled closer together.

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