The Absorptive Epithelia in the Gut Are Considered "Polarized" Because

question 73

Multiple Choice

The absorptive epithelia in the gut are considered "polarized" because

• A) thick and thin filaments are present.
• B) they pump wastes into the lumen while pumping nutrients toward the blood.
• C) the colors seen on the top and bottom of the cells are different.
• D) they must fire action potentials to absorb most nutrients.
• E) the structures on the apical surface are different than those on the basal surface.

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Definitions:

Theories

Systematically organized knowledge applicable in a relatively wide variety of circumstances, especially a system of assumptions, accepted principles, and rules of procedure to analyze, predict, or otherwise explain the nature or behavior of a specified set of phenomena.

Self-Determining

The ability or process of making one's own choices and controlling one's own life without being influenced or pressured by others.

Active

Engaging in movement or action; not remaining static or idle.

Organismic Model

Model that views human development as internally initiated by an active organism and as occurring in a sequence of qualitatively different stages.