ch. 50 taste/smell

Question 1

gustation in terrestrial animals

Answer 1

taste - dependent on detection of chemicals called tastants

Question 2

olfaction in terrestrial animals

Answer 2

smell - dependent on detection of odorant molecules

Question 3

taste/smell in aquatic animals

Answer 3

no distinction between the two

Question 4

taste receptors of insects

Answer 4

sensory hairs located on feet and in mouthparts

Question 5

5 taste perceptions

Answer 5

sweet, sour, salty, bitter, umami

Question 6

receptor cells for taste in mammals

Answer 6

modified epithelial cells organized into taste buds located in several areas of the tongue and mouth

Question 7

what are most taste buds associated with

Answer 7

projections called papillae

Question 8

what can any region with taste buds detect

Answer 8

any of the 5 types of taste

Question 9

olfactory receptor cells in humans

Answer 9

neurons that line the upper portion of the nasal cavity

Question 10

what does binding of odorant molecules trigger

Answer 10

signal transduction pathway that generate action potentials

Question 11

how many different odors can mammals distinguish

Answer 11

thousands