Physiology Exam 1: 1. initiating stimulus
2. Ca2+ enters cell from outside & SR releases more
3. Ca2+ binds to calmodulin
4. Ca2+-calmodulin activates myosin light chain kinase (MLCK) which increases myosin ATPase activity
5. active myosin crossbridges slide along actin- create crossbridges

Question

1. initiating stimulus
2. Ca2+ enters cell from outside & SR releases more 
3. Ca2+ binds to calmodulin
4. Ca2+-calmodulin activates myosin light chain kinase (MLCK) which increases myosin ATPase activity
5. active myosin crossbridges slide along actin- create crossbridges

Emma Grace Goldman · Accepted Answer

regulation of contraction in smooth muscle (6 steps)

Physiology Exam 1

1. initiating stimulus 2. Ca2+ enters cell from outside & SR releases more 3. Ca2+ binds to calmodulin 4. Ca2+-calmodulin activates myosin light chain kinase (MLCK) which increases myosin ATPase activity 5. active myosin crossbridges slide along actin- create crossbridges

Regulation of contraction in smooth muscle (6 steps)

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