Q:

Taste receptors

safaTerkawi
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2022-08-11
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Taste receptors.

  1. For sour taste predominate at the sides of the tongue.
  2. May respond to more than one modality of stimulus.
  3. Give rise to a sour taste when stimulated by hydrogen ions.
  4. Cannot detect small ( 10 per cent) differences in the concentration of taste-evoking chemicals.
  5. Respond more to substances in warm solutions than in cold ones even though the sub-stance concentration is the same in both.
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safaTerkawi
2022-08-11
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A. True Receptors for bitter taste predominate on the posterior dorsum of the tongue.

B. True Recording from single taste receptors demonstrates that a single receptor can respond to more than one modality.

C. True All acids taste sour.

D. True Taste receptors are poor at discriminating between intensities; a concentration difference of more than 30 per cent is needed for discrimination.

E. True Food flavour is accentuated when hot; unpleasant medicine less offensive when cold.

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