The Researcher Should Rely on ________ to Determine Which Variables

question 48

Multiple Choice

The researcher should rely on ________ to determine which variables should be investigated.

• A)objective evidence
• B)theory
• C)an analytical model
• D)all of the above

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Definitions:

Microvilli

Small, fingerlike extensions of the plasma membrane of cells, increasing surface area for absorption.

Plicae Circularis

Internal folds of the intestinal lining that increase surface area for absorption of nutrients.

Absorption

The process by which substances are taken up from the environment and enter the bloodstream or cells.

Hepatic Portal Vein

Portal vein formed by the superior mesenteric and splenic veins and entering the liver.