Regarding olfaction, which of the following statements is FALSE?
A)In humans, about 1000 types of smell receptors are believed to exist.
B)Humans can detect at least 10,000 different odors.
C)The theory that explains olfaction is called the gate control theory.
D)Specific shapes of molecules have been found to produce different odors, such as floral, camphoric, musky, minty, and etherish.

Question

Quizplus · Accepted Answer

The theory that explains olfaction is not called the gate control theory. The correct theory is the shape-pattern theory or the lock-and-key theory, which states that different odors are recognized by different combinations of receptors that are sensitive to specific molecular shapes.

Regarding Olfaction, Which of the Following Statements Is FALSE