Welcome to Westonci.ca, your ultimate destination for finding answers to a wide range of questions from experts. Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

What does calcium do to help the muscle contract?

A. binds to tropomyosin, exposing myosin -binding sites
B. binds to troponin, exposing myosin-binding sites
C. gives the ionic energy for the power stroke
D. triggers the action potential by binding to postsynaptic receptors