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1) explain how ca2+ levels inside myocardial cells are important to cell function.
2) both alpha-bungarotoxin and curare bind to the same neurotransmitter receptor, but
only curare binds reversibly. which receptor is involved? list some locations for this
receptor. would either toxin be appropriate to use as a paralytic during surgery? explain
your answer. are all such receptors necessarily affected by a given toxin in the same
way? explain the significance of your answer.
3) define lung capacity, and give a specific example. (note: there is a specific
physiological definition; don't just define "capacity" in general terms.)
4) the activity of metabolic pathways is influenced by the ratio of ________.
5) the nervous system has a role in preserving the "fitness" of the ________.
6) the fertilized egg is properly referred to as a ________.
7) how does the stretch reflex protect a muscle?
