Gustatory receptors are sensitive to all of the following flavors except __________.
umami
spicy
salty
sweet
When do action potentials occur?
When sodium ions enter the neuron to make the membrane potential more positive
When potassium ions exit the neuron to make the membrane potential more positive
When sodium ions exit the neuron to make the membrane potential more positive
When sodium ions enter the neuron to make the membrane potential more negative
When sodium ions exit the neuron to make the membrane potential more negative