Thymine and Cytosine Differ from Adenine and Guanine in That

question 1

Multiple Choice

Thymine and cytosine differ from adenine and guanine in that ________.

• A)thymine and cytosine are single-ring structures, whereas adenine and guanine are double-ring structures
• B)thymine and cytosine are only found in DNA, whereas adenine and guanine are found in both DNA and RNA
• C)thymine and cytosine are only found in DNA, whereas adenine and guanine are only found in RNA

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Definitions:

General Adaptation Syndrome

A model describing the body's stress response in three stages: alarm, resistance, and exhaustion.

Type A Behavior Pattern

A cluster of characteristics—including being excessively competitive, hard-driven, impatient, and hostile—that is related to a higher incidence of heart disease.

Type B Behavior Pattern

A cluster of characteristics—including being relaxed and easygoing—that is related to a lower incidence of heart disease.

Heart Disease

A range of conditions affecting the heart, including coronary artery disease, heart rhythm problems, and heart defects.