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Dna: Deoxyribonucleic acid. The molecules inside cells that carry genetic information and pass it from one generation to the next.
Source: National Institute of Health
Dna : 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).
Dna : deoxyribonucleic acid
DNA (deoxyribonucleic acid)— a complex molecule found in the cell nucleus which contains an organism's genetic information. (Source: excerpt from Microbes in Sickness and in Health -- Publications, National Institute of Allergy and Infectious Diseases: NIAID)
Condition count: 23 ; see list below.
Organs: list of all organs
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