Suppose That Each Cross-Bridge Cycle Moves the Thin Filament 10

question 34

Multiple Choice

Suppose that each cross-bridge cycle moves the thin filament 10 nanometers relative to the thick filament. If myosin in a particular muscle can go through the cross-bridge cycle at 250 cycles per second, what is the rate at which a muscle that is 30 cm long can shorten?

• A) 75 mm/s
• B) 0.30 m/s
• C) 0.60 m/s
• D) 2.5 m/s

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