Which Statement About Olfaction Is Not True

Which statement about olfaction is not true?

A) In general, mammals depend more on vision than on olfaction as their dominant sensory modality.
B) Olfactory stimuli are recognized by the interaction between odorant molecules and receptor proteins on olfactory hairs.
C) The more odorant molecules that bind to receptors, the more action potentials are generated.
D) The greater the number of action potentials generated by an olfactory receptor, the greater the intensity of the perceived smell.
E) The perception of different smells results from the activation of different combinations of olfactory receptors.

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