The Advantage of the Experimental Method as Opposed to Correlational

question 153

Multiple Choice

The advantage of the experimental method as opposed to correlational studies is that an experiment

• A) is better suited to studies of unique or unusual individuals.
• B) can consist of as little as one observation of a single individual.
• C) can lead to the discovery of cause-and-effect relationships.
• D) is easier to do and poses fewer ethical problems.

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Definitions:

Tight Junction

A tightly sealed point of contact between two cells, preventing the passage of substances between the cells.

Plasma Membranes

A pair of lipid layers that forms a barrier around the cell's cytoplasm, controlling the import and export of cellular materials.

Adhesion Belt

A protein complex located just below the tight junctions in epithelial cells, contributing to the formation of an adhesive junction that holds cells together.

Apocrine

A type of gland that secretes substances (such as sweat) by shedding part of the cell, found in various parts of the body including armpits and groin.