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The dna structures ​

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Answer:

are you c a biologist or what

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User Klaydze
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Answer:

Each DNA strand is composed of nucleotides—units made up of a sugar (deoxyribose), a phosphate group, and a nitrogenous base. Each strand of DNA is a polynucleotide composed of units called nucleotides. A nucleotide has three components: a sugar molecule, a phosphate group, and a nitrogenous base. Explanation:

User Bherbruck
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