What Would Most Likely Happen to an Animal's Sense of Smell

Multiple Choice

What would most likely happen to an animal's sense of smell if the animal was unable to produce mucus?

A) Nothing;mucus production is unrelated to odor detection.
B) It would improve,because there would be a clearer path for odor molecules.
C) It would improve,because there would be less interference with odor detection.
D) It would be diminished,because odorant receptors are activated by regulatory molecules in the mucus.
E) It would be diminished,because odorant molecules must dissolve in the mucus to be detected.