How Is the Information from a Complex Odorant Molecule Transmitted

question 30

Multiple Choice

How is the information from a complex odorant molecule transmitted to the olfactory bulb?

• A) The frequency of action potentials in the vomeronasal organ is increased.
• B) The odorant molecule increases its binding to one type of receptor.
• C) The odorant molecule combines with other odorants to increase the perceived smell.
• D) The odorant molecule activates one glomerulus in the olfactory bulb.
• E) Different regions of one odorant molecule bind to many different receptor proteins.

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Definitions:

Germ Layer

One of the primary layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all tissues and organs develop.

Digestive Tube

A continuous hollow tube running through the body, from mouth to anus, where digestion and nutrient absorption occur.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the outer layer of skin, nerves, and brain.

Germ Layer

One of the primary layers of cells (ectoderm, mesoderm, or endoderm) in the early embryo that will differentiate into various tissues and organs.