As Cells Are Pushed from Deeper Layers of the Epidermis

question 63

Multiple Choice

As cells are pushed from deeper layers of the epidermis toward the surface they

• A)continue to divide.
• B)become dermal cells.
• C)receive a better nutrient supply.
• D)start to die.
• E)All of the answers are correct.

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Definitions:

Aldoses

A subclass of monosaccharides that contain an aldehyde group and multiple hydroxyl groups, responsible for various roles in living organisms.

Fructose

A simple ketonic monosaccharide found in many plants, sweeter than glucose, and used in foods and beverages.

Cyclic Hemiacetal

A molecule that results from the intramolecular reaction between an aldehyde and an alcohol in the same molecule, forming a cyclic structure with an ether bridge and an alcohol group.

Lactone

A cyclic ester that is formed by the intramolecular condensation of a hydroxy acid.