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DNA consists of two long, twisted chains made up of nucleotides. Each nucleotide contains one base, one phosphate molecule, and the sugar molecule deoxyribose. The bases in DNA nucleotides are adenine, thymine, cytosine, and guanine.
See image 2542 for a labeled version of this illustration.
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This page last reviewed on
3/28/2019 5:19 PM
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