DNA

question 52

Multiple Choice

DNA:

• A) is composed of nucleotide building blocks.
• B) contains uracil instead of thymine.
• C) is single-stranded.
• D) contains pyrimidines and purines in a 2:1 ratio.
• E) contains the sugar ribose.

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Definitions:

Reaction

A process in which substances, the reactants, undergo chemical changes to form new substances, known as products.

Product

The substances that result from the completion of a chemical reaction.

Ethylene Glycol

A colorless, viscous liquid with sweet taste commonly used as an antifreeze in automobile radiators and in the manufacture of polyester fibers and resins.

Acetal-Forming Reactions

Chemical reactions that involve the conversion of aldehydes or ketones, in the presence of an alcohol, into acetals or ketals, respectively.