When a myosin head binds to an actin molecule in order to contract a muscle, this is formed: ________.
A. myosin filament
B. actin filament
C. cross-bridge
D. troponin
Answer:C
When a myosin head binds to an actin molecule in order to contract a muscle, this is formed: ________.
A. myosin filament B. actin filament C. cross-bridge D. troponin