The resting potential of a nerve cell is -70 mV. Opening a transmitter gated Ca+2 channel would: Oleave the membrane potential unchanged O activate phospholipase C and phospholipase D while inactivating phospholipase A O result in the phosphorylation of inositol phospholipids Odecrease the membrane potential Oincrease the membrane potential
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Step 1: Opening a Ca+2 channel will allow Ca+2 ions to flow into the cell. Show more…
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A ligand-gated ion channel is activated by the neurotransmitter GABA at a synapse. What is the likely response of the postsynaptic neuron? Select one: a. The postsynaptic membrane potential would be less than -70mV following receptor activation. b. The postsynaptic membrane potential would be greater than -70mV following receptor activation. c. There will be an increased Na+ current through the receptor channel d. The will be a decreased chance that the postsynaptic neuron will generate action potentials e. Both A and D
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