Diff: 1 Page Ref: 286 19) During muscle contraction, myosin cross bridges attach to which active sites?
A. myosin filaments
B. actin filaments
C. Z discs
D. thick filaments
Answer:B
Diff: 1 Page Ref: 286 19) During muscle contraction, myosin cross bridges attach to which active sites?
A. myosin filaments B. actin filaments C. Z discs D. thick filaments