Electrical activity at neuromuscular junction

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1. Describe the three sources of ATP production and the four roles of ATP for skeletal muscle contraction.

2. Compare and contrast transmission of electrical activity at a neuromuscular junction with that at a neuronal synaptic junction.

3. What are the two general mechanisms by which first messengers elicit an increase in cytosolic Ca2+ concentration? What are the sources of the Ca2+ in each mechanism?

4. Compare and contrast three classes of hormones, including synthesis, transport, action mechanism, regulation of secretion, and metabolism.

5. Describe action potentials of a typical ventricular myocardial cell (a non-pacemaker cardiac muscle cell) and a sinoatrial node cell (an autorhythmic pacemaker cardiac cell), including the names of ionic channels and ionic movements.

Reference no: EM132557486

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