Which of the Following Is True of Olfaction

question 57

Multiple Choice

Which of the following is true of olfaction?

• A)There may be as many as a 1000 different olfactory receptor proteins.
• B)Humans can distinguish up to 10,000 different odors.
• C)Humans have the most acute sense of smell of all the mammals.
• D)All of the choices are correct.

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