Which of the Following Statements Is Correct

question 32

Multiple Choice

Which of the following statements is correct?

• A) Adenine and guanine are both purines.
• B) Adenine and guanine are both pyrimidines.
• C) Adenine is a purine, and guanine is a pyrimidine.
• D) Adenine is a pyrimidine, and guanine is a purine.

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Definitions:

Puckering

The act of contracting or gathering into wrinkles or folds, often referring to the lips.

Saliva

A clear liquid secreted by the salivary glands in the mouth, important for digestion and maintaining oral health.

Behaviorists

Psychologists who focus on observable behaviors and the ways in which they're learned, often through conditioning, without reference to mental processes.

Conditioning

A basic kind of learning that involves associations among environmental stimuli and an organism’s behavior.