Biology question(Is book wrong?)?

John Carter

New member
*
Olfactory receptors:*?*?A.adapt to outside stimuli
B.are located in all regions of the nose
C.are of four types: bitter, sweet, salty, sour.
D.adapt to outside stimuli and are located in all regions of the nose

Book says A but isnt it D?


Thank you for your time.
 
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