Senses: Gustation

Question 1

papillae

Answer 1

bumps on tongue

Question 2

fungiform papillae

Answer 2

one taste bud each, on the surface of tongue

Question 3

foliate papillae

Answer 3

multiple taste buds, on the sides of tongue

Question 4

circumvallate papillae

Answer 4

multiple taste buds, big suckers at the back of the tongue

Question 5

taste

Answer 5

you can detect up to 5 tastes: salty, sour, sweet, bitter and umami

Question 6

salty

Answer 6

simple ion pore that admits Na+ ions from NaCl

Question 7

sour

Answer 7

derives from acids, releasing H+ ions. they block potassium channels on the tastebuds

Question 8

sweet

Answer 8

a type of metabotropic receptor, T1R2 + T1R3 dimer

Question 9

bitter

Answer 9

also a metabotropic receptor, important biological signals as they detect poisons, T2R’s

Question 10

umami

Answer 10

glutamate receptor, T1R1 + T1R3 dimers, make up umami receptors