Name the filaments that form the cross-briges during muscle contraciton.

Which of the following events leads to the breakdown cross-bridges during muscle contraction?

Name the ion responsible for masking active sites for myosin for cross-bridge activity during muscle contraction

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction

Name the ion responsible for masking active sites for myosin for cross-bridge activity during muscle contraction

Name the ion responsible for the unmasking of active sites for myosin for cross- bridge activity during muscle contraction

Name the ion responsible for masking active sites for myosin for cross-bridge activity during muscle contraction

Name the ion responsible for masking active sites for myosin for cross-bridge activity during muscle contraction