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What are the four nucleotides that make up DNA?

User Spekdrum
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Thymine, Cytosine, Adenine, and Guanine. They are the nitrogenous bases. They are attached to the sugar-phosphates. 
User Umesh Rajbhandari
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Thymine, Cytosine, Adenine, and Guanine. 
User Matox
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