Multiple Choice
Which of these statements does NOT describe cross bridges
A) They are formed by the globular heads of the myosin molecules as they protrude from the thick filaments.
B) They bind to actin during muscle contraction.
C) They are not found in the I band.
D) They bind with troponin and tropomyosin during muscle contraction to pull them away from the actin helical chain.
Correct Answer:
Verified
Correct Answer:
Verified
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