Multiple Choice
Which nitrogenous base is found in DNA but not in RNA?
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7. DNA and Chromosome Structure
DNA Structure
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Which feature pertains to DNA but not to RNA under typical cellular conditions?
A
Uses uracil as a nitrogenous base instead of thymine
B
Is usually single-stranded rather than double-stranded
C
Functions primarily as a messenger molecule that carries coding information from the nucleus to ribosomes
D
Contains the sugar deoxyribose (lacks a -hydroxyl group on the pentose)
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