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biological

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olfactory receptor

olfactory receptor An olfactory receptor is a protein on the cilia of smell receptor neurons that binds specific odor molecules and starts a response in the neuron.

An olfactory receptor is a protein on the cilia of smell receptor neurons that binds specific odor molecules and starts a response in the neuron. Many different olfactory receptors exist, and they appear to come from multiple gene families or subfamilies.