Purines and Pyrimidines Are Components in the Building Block Units

question 59

Multiple Choice

Purines and pyrimidines are components in the building block units of all ______.

• A) amino acids
• B) carbohydrates
• C) enzymes
• D) nucleic acids
• E) polysaccharides

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Definitions:

Habituation

The decrease in response to a stimulus on repeated applications; this is the simplest kind of learning.

Habituated

The process of becoming accustomed to a stimulus after repeated exposure, leading to a decrease in response.

Pavlov's Studies

Research conducted by Ivan Pavlov that demonstrated classical conditioning, where dogs learned to associate a neutral stimulus with food and respond to it as they would to the food.

Salivate

The production of saliva in the mouth, often as a reflexive response to the sight, smell, or thought of food.