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![[-- nucleotide --]](Images/Terms/nucleoti.gif)
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| defined: |
One of the structural components, or building blocks, of DNA and RNA. A nucleotide consists of a base (one of four chemicals: adenine, thymine, guanine, and cytosine) plus a molecule of sugar and one of phosphoric acid.
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| explained: |
Listen to a detailed explanation.
Dr. Robert Nussbaum, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines nucleotide. |
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| illustrated: | View illustration | |
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related terms: |
base pair, deoxyribonucleic acid (DNA), genetic code (ATGC), ribonucleic acid (RNA) | |
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