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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: College
Created: a month ago

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Nervous and Endocrine Systems Question

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College Nervous and Endocrine Systems

Tastes and smells are distinct kinds of environmental information in that                                                                                                      .
  1. distinguishing tastant molecules requires learning, whereas smell discrimination is an innate process
  2. humans can detect many more types of tastants than odorants
  3. odorants are airborne, and tastants are present in fluids
  4. odorants bind to receptor proteins, but none of the tastant stimuli will bind to receptors
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