What Is Unusual About the Reaction Catalyzed by Ribonucleotide Reductase

question 40

Multiple Choice

What is unusual about the reaction catalyzed by ribonucleotide reductase?

• A)It involves the conversion of -SH groups to -OH groups.
• B)It uses a rare derivative of tetrahydrofolate.
• C)It has a free radical mechanism.
• D)This enzyme and its reaction occur only in a few species of archaebacteria.

Understand the concept and purpose of a control group in experimental studies.

Recognize the importance of random assignment in reducing preexisting differences between experimental groups.

Identify the independent and dependent variables in an experimental study.

Distinguish between different types of research methods (experimental, correlational, case study) and their applications.

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Definitions:

Example

A representative instance or case used to illustrate or explain a concept, principle, or process.

Stimulus Discrimination

The ability to differentiate between similar stimuli and respond only to the specific stimulus that is associated with a reinforcement.

Stimulus Generalization

The phenomenon where a response to a specific stimulus becomes associated with similar stimuli, resulting in a similar response.

Type I Punishment

A method of behavior modification that involves the application of an aversive stimulus following an unwanted behavior, aimed at decreasing the frequency of that behavior.