According to the Young-Helmholtz theory, what is the basis for color vision?
a. a different receptor for each color
b. three kinds of cones
c. a single receptor that produces different responses for each color
d. the combined influences of rods and cones
Question 2
Following a certain kind of experience in Aplysia, a facilitating interneuron causes changes that block the potassium channels at the end of the axon of the sensory neuron, leading to ____.
a. sensitization
b. accommodation
c. habituation
d. neuronal