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Deoxyribose (sugar), a phosphate group, and a nitrogen base make up these repeating units of DNA: * Adenine, Nucleotides, Guanine or sMitochondria ​

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Answer:

in DNA. Adenine (A) and guanine (G) are double-ringed purines, and cytosine (C) and thymine (T) are smaller, ... The nucleotide is named according to the nitrogenous base it contains. (a) Each DNA nucleotide is made up of a sugar, a phosphate group ... A figure showing the structure of ribose and deoxyribose sugars.

Step-by-step explanation:

User Ryuu
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