What did Richard Axel and Linda Buck discover about the way in which we are able to perceive many different types of odors?
A. Vertebrate animals make a large number of distinct types of receptor proteins, each of which binds a particular odorant molecule or small group of such molecules.
B. Odors are distinguished by the way in which they bind both olfactory and taste receptors-it is the overall "picture" generated this way that we perceive.
C. Many different types of odors bind to just a few different types of receptor molecules.
D. None of the answers are correct.
Answer: A
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