Building on Prior Research Nonexperimental Studies Are Used to Test

question 1

Multiple Choice

Building on Prior Research Nonexperimental studies are used to test the effects of smoking on human
Subjects due to concern about

• A)experimental realism.
• B)external validity.
• C)internal validity.
• D)research ethics.

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Definitions:

Cofactor

A non-protein chemical compound or metallic ion that is required for a protein's biological activity to occur.

Enzymes

Substances of biological origin that greatly enhance the speed of most chemical interactions happening in cellular environments.

Enzymatically Catalyzed

A process facilitated by enzymes to speed up chemical reactions in biological systems.

Inversely Proportional

A relationship between two variables where as one variable increases, the other decreases at a consistent rate, and vice versa.