Example sentences for: cross-bridge

How can you use “cross-bridge” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • It has been proposed that light chain phosphorylation causes individual cross-bridges to swing out from the myosin back-bone [ 5 ] , thereby bringing the actin binding site of the cross-bridge in close proximity to the actin filament.

  • During positive inotropy there is an increase in ATP utilization and thus myocardial oxygen consumption related to increased cross-bridge cycling and calcium handling [ 1 ] . Heat measurements of isolated heart muscle have assigned approximately 50% of total energy consumption to cross-bridge cycling and 20% to calcium cycling [ 2 ] . However, recently, studies in both isolated hearts and myocytes [ 3 4 ] , examining the energetic effects of increasing inotropy with the calcium sensitizing agent EMD 57033 have suggested that the energetic cost associated with increasing inotropy is largely related to calcium cycling.

  • This would increase the probability of cross-bridge binding to actin, resulting in a greater number of cross-bridges exerting force during the twitch contraction.


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