The Major Mechanism by Which Five Membered Aromatic Heterocycles React

question 34

Multiple Choice

The major mechanism by which five membered aromatic heterocycles react with electrophiles is:

• A) nucleophilic aromatic substitution
• B) electrophilic aromatic substitution
• C) ionic addition
• D) free radical addition
• E) oxidation-reduction

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Definitions:

Acetylated

Refers to the introduction of an acetyl group into a molecule, often modifying the function or activity of proteins and enzymes.

Histones

Proteins that package and order DNA into structural units called nucleosomes, facilitating chromosome organization and gene regulation.

Transcription

The process of transcribing DNA into RNA, a fundamental aspect of gene expression.

Transcription Factors

Proteins that regulate the transcription of genes by binding to DNA and influencing RNA synthesis.