Rigor Mortis,or the Muscle Stiffness Present After Death,results Primarily from

question 73

Multiple Choice

Rigor mortis,or the muscle stiffness present after death,results primarily from 

• A)a drop in acetylcholine levels. 
• B)a lack of energy needed to separate actin and myosin molecules. 
• C)an increase in intracellular calcium concentrations. 
• D)the breakdown of troponin molecules.

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