P&C TB10 Lecture 2

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  • Created by: May2714
  • Created on: 24-05-16 12:59

1. Supertasters show?

  • The same genes for chemical receptors, and the same number of taste buds
  • Different genes for chemical receptors, and a different number of taste buds
  • Different genes for chemical receptors, but the same number of taste buds
  • The same genes for chemical receptors, but a different number of taste buds
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Other questions in this quiz

2. What is the swipecard model of odor receptors?

  • Molecules might have to be the right shape to ‘dock’ with receptor sites but then bond energies determine the final activation level
  • Whether a odorant smells the same or different to another is based on its IR vibrational spectrum
  • Lock and key theory - whether an odorant molecule smells the same or different to another is based on whether it has a complementary shape to the receptor binding site of the OSN

3. What is the shape theory of odor receptors?

  • Whether a odorant smells the same or different to another is based on its IR vibrational spectrum
  • Lock and key theory - whether an odorant molecule smells the same or different to another is based on whether it has a complementary shape to the receptor binding site of the OSN
  • Molecules might have to be the right shape to ‘dock’ with receptor sites but then bond energies determine the final activation level

4. What is the cycle time of the nose (during which different nostrils have different flow rates and smell different things)?

  • 3 hours
  • 30 minutes
  • 3 minutes
  • 1 hour

5. Is the taste sensory cortex lateralised?

  • We cannot say because experimentally limiting taste to one side of the tongue is too difficult
  • Yes
  • No
  • May be

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