Benzopyrene, a Component of Cigarette Smoke, Can Induce DNA Mutations

question 120

Multiple Choice

Benzopyrene, a component of cigarette smoke, can induce DNA mutations by

• A) converting cytosine to uracil by deamination.
• B) converting an amino group on cytosine into a keto group.
• C) adding a chemical to guanine, making it unavailable for base pairing.
• D) changing bases to forms unrecognizable by DNA polymerase.
• E) breaking the sugar-phosphate backbone of DNA.

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Definitions:

Maleic Anhydride

An organic compound that is the cyclic anhydride of maleic acid, used industrially in the production of polymers, resins, and as an intermediate in organic synthesis.

Addition Polymerization

A chemical reaction where monomers add together without the loss of atoms to form very long chain molecules or polymers.

Maleic Anhydride

Maleic anhydride is an organic compound with the formula C4H2O3, used in the production of various polymers, resins, and as a chemical intermediate.

Alternating Copolymer

A polymer made from two different monomers arranged in an alternating sequence along the polymer chain, providing unique physical and chemical properties.