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Question: Answered & Verified by Expert
Ions that must be present for binding the cross-bridges are
BiologyLocomotion and MovementNEET
Options:
  • A Na+
  • B Ca2+
  • C K+
  • D Mg+
Solution:
1263 Upvotes Verified Answer
The correct answer is: Ca2+
Actinomyosin complex is formed when actin and myosin proteins are combined in the presence of ATP and Ca2ions and when these ions removed, the actin and myosin dissociate. This process takes place during muscle contraction.

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