Ch 50 C

Question 1

What is gustation?

Answer 1

Taste, dependent on the detection of chemicals called tastants

Question 2

What is olfaction?

Answer 2

Smell, dependent on the detection of odorant molecules

Question 3

How does taste and smell differ in aquatic animals?

Answer 3

There is no distinction between taste and smell

Question 4

How do insects taste?

Answer 4

chemoreceptors on the hairs on feet and mouth

Question 5

What are the 5 tastes?

Answer 5

1) sweet
2) sour
3) salty
4) bitter
5) umami

Question 6

What are receptor cells for taste? How are they organized?

Answer 6

they are modified epithelial cells
they are organized into taste buds

Question 7

Where are taste buds located?

Answer 7

in tongue and mouth

Question 8

What are tastebuds assoicated with?

Answer 8

papillae

Question 9

What are olfactory receptor cells? Where are they located?

Answer 9

neurons; line the upper portion of the nasal cavity

Question 10

What does the binding of odorant molecules to receptors trigger?

Answer 10

1) signal transduction
2) generating action potentials

Question 11

What is unique about a mammal’s ability to smell?

Answer 11

Mammals can distinguish between thousands of different oders

Question 12

receptors for _______ and _______ do interact

Answer 12

taste; smell