Q.

A sarcomere:

A. contains two separate halves of an A-band and an I-band
B. is the space between two A-bands
C. is between two Z-lines
D. has the T-system of the sarcotubular system at sarcomere junctions
E. contracts when the troponin molecule binds to the myosin head
Answer» C. is between two Z-lines
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