27.) If the binding of an odorant molecule to an olfactory receptor cell is the cause, what is the resulting effect? *
An impulse travels to the brain, resulting in the contraction of pharynx muscles.
An impulse travels from the brain, telling the nose to sniff and smell.
An impulse travels to the olfactory bulbs in the brain which then codes for smell.
An impulse travels to the cilia of the olfactory receptor cells, resulting in a trapping of
smell in the nose.