Short Answer Essay. Choose either 1 or 2 and answer below. P…
Short Answer Essay. Choose either 1 or 2 and answer below. Please write the number of the question you are answering first. Level of detail must be better than given on Exam (if lost points on exam) to earn EC. Explain the sequence of events involved in the contraction of skeletal muscle starting at acetylcholine crossing the synaptic cleft and ending at muscle shortening. Explain to the level of detail discussed in class. (Don’t need details on how the action potential occurs, see #2 below). Explain in detail how an action potential occurs. Explain the cause of each phase of the action potential (ion flow, which direction, gates, voltage changes, etc). Make sure you discuss this process to the depth discussed in class. Also explain what causes the refractory period and what its biological purpose is.