Whereas the Sense of Taste Is Based on ________ (How

Multiple Choice

Whereas the sense of taste is based on ________ (how many?) classes of taste receptors, the sense of smell has over ________ (how many?) different receptors for chemicals associated with odor.

A) 5; 1,000
B) 20; 200
C) 150; 6
D) 10; 10,000
E) 500; 5,000