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DNA

A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).

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Subheadings:

Tree Number(s): D13.444.308

MeSH Unique ID: D004247

Registry Number: 9007-49-2

Entry Terms:

  • Deoxyribonucleic Acid
  • DNA, Double-Stranded
  • DNA, Double Stranded
  • Double-Stranded DNA
  • ds-DNA
  • ds DNA

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