Vertebrate's Muscle Contraction

1. When smooth muscles are relaxed, the myosin is inactive and folded. The muscle tends to contact when myosin unfolds. In vertebrate’s muscle contraction is activated when the myosin is phosphorylated and is depended on the calcium concentrations in the cells. As the calcium concentrations rise and bind to the Crassulacean acid metabolism this results in a conformational change. The complex binds and activates myosin light chain kinase when allows the myosin to contract and light chain is activated. When the calcium levels in the complex as too low it results in muscles being relaxed as the chain is