Other questions in this quiz

2. How many seperate olfactory receptor genes are there?

  • 1000 but 60-70% of these are pseudogenes in humans
  • 5, much less than the genetics of mice

3. Approximately how many OSN are there in your head?

  • 5 million
  • 750 thousand
  • 10 million
  • 500 thousand

4. Each OSN...?

  • Receive input from glomeruli
  • Expresses just one type of receptor
  • Has broad non-specific connections
  • Are resistant to damage due to highly internalised structure

5. What makes a supertaster different from a normal taster?

  • The same genes for chemical receptors, the same number of taste buds (papillae). Different environmental exposure to chemicals
  • Different genes for chemical receptors, different number of taste buds (papillae)
  • Different genes for chemical receptors, the same number of taste buds (papillae)
  • The same genes for chemical receptors, different number of taste buds (papillae). Different environmental exposure to chemicals

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