In skeletal muscle cells, calcium initiates contraction by binding to
A. actin.
B. tropomyosin.
C. the thick filament.
D. myosin.
E. troponin.
Answer: E
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The ________ is not found in the elbow
A) humeroradial joint B) proximal radioulnar joint C) humeroulnar joint D) anular ligament E) distal radioulnar joint