In a Comparison of the Chemoreceptors of the Olfactory and Gustatory

question 4

Multiple Choice

In a comparison of the chemoreceptors of the olfactory and gustatory systems,which of the following statements is not true?

• A)Only the olfactory receptor cells are neurons with axons.
• B)Only the taste receptor cells have ionotropic receptor mechanisms.
• C)Only the olfactory receptor cells connect directly to the cerebrum.
• D)Only the taste receptor cells are clustered in buds.
• E)Only the olfactory receptor cells are continuously regenerated throughout life.

---

Definitions:

Recessive

A genetic characteristic that is expressed in an organism's phenotype only when two copies of the gene responsible for the trait are present.

Phenotype

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Homozygous

Referring to an individual having two identical alleles for a particular gene or trait.

Genotype

The genetic makeup of an organism, consisting of both visible and non-visible traits, which lays the foundation for the organism's phenotype.