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Question: Answered & Verified by Expert

In striped muscles, cross bridges rapidly dissociate when

BiologyLocomotion and MovementNEET
Options:
  • A ADP and inorganic phosphate separates from myosin head
  • B ATP attaches to the myosin head
  • C Calcium binds to tropomyosin
  • D Troponin tropomyosin complex masks the active binding sites for myosin on the actin filaments
Solution:
1509 Upvotes Verified Answer
The correct answer is: ATP attaches to the myosin head
Actin–myosin bridges dissociate when ATP binds to myosin head and its affinity for actin decreases.

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