Worldwide, HIV Infects One in ________ Adults

question 57

Multiple Choice

Worldwide, HIV infects one in ________ adults.

• A) 20
• B) 50
• C) 100
• D) 500
• E) 1,000

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Definitions:

Sigma Complex

An intermediate structure in a chemical reaction where a sigma bond is formed between the electrophile and the nucleophile.

Electrophilic Aromatic Substitution

A reaction where an aromatic ring undergoes substitution by an electrophile, retaining the aromaticity of the compound.

Nitration

A chemical reaction that introduces a nitro group (NO2) into an organic compound, usually involving the substitution of an H atom, often used to synthesize explosives or other nitro compounds.

Anisole

An organic compound consisting of a methoxybenzene group, used as a precursor in the synthesis of other chemicals.