briannaallen701
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  • 10-10-2019
  • Biology
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What describes the structure of a DNA molecule

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darrylh3333
darrylh3333 darrylh3333
  • 10-10-2019

Answer:

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). ... To fit inside cells, DNA is coiled tightly to form structures we call chromosomes

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