Within a Double-Stranded DNA Molecule, Adenine Forms Hydrogen Bonds with Thymine

question 21

Multiple Choice

Within a double-stranded DNA molecule, adenine forms hydrogen bonds with thymine and cytosine forms hydrogen bonds with guanine. This arrangement ________.

• A) allows variable width of the double helix
• B) permits complementary base pairing
• C) determines the tertiary structure of a DNA molecule
• D) determines the type of protein produced

---

Definitions:

Depression

A common and serious medical illness that negatively affects how you feel, the way you think, and how you act, characterized by feelings of sadness, loss, or anger that interfere with a person’s everyday activities.

Anger

A strong feeling of displeasure or hostility, often a natural, though potentially destructive, response to perceived wrongs or frustrations.

Therapeutic Relationship

The professional bond between therapist and client, characterized by trust, respect, and confidentiality, essential for effective therapy.

Rapport

A relationship characterized by mutual trust and understanding, often considered essential in therapeutic or interpersonal communication contexts.