What Is Contained Within a Nucleoside

question 57

Multiple Choice

What is contained within a nucleoside?

• A) a ribose moiety, a nitrogenous base and a phosphate covalently attached to the ribose 5' carbon
• B) a ribose moiety, a purine or pyrimidine, and a phosphate covalently linked to the 3' carbon of the ribose.
• C) a ribose moiety and a nitrogenous base
• D) a deoxyribose, a purine or pyrimidine, and a phosphate linked to the ribose 5' carbon by a hydrogen bond.

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Definitions:

Barbiturate

A class of drugs derived from barbituric acid, used as sedatives and hypnotics.

Sleep Aid

Products or practices that facilitate the onset of sleep or improve the quality of sleep, including medications, natural remedies, or behavioral techniques.

Opium

Substance derived from the opium poppy from which all narcotic drugs are derived.

Narcotics

Drugs that relieve pain and induce sleep, often used medically for pain relief, but can be subject to misuse and addiction.