BioScience Dictionary

 
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Found Deoxyribonucleic acid 1 time.

Displaying results 1 to 10.

1. Deoxyribonucleic acid (DNA)
A nucleic acid composed of two polynucleotide strands wound around a central axis to form a double helix; the repository of genetic information. Nucleic acid that functions as the physical carrier of inheritance for 99% of all species. The molecule is double-stranded and composed of two strands in an antiparallel and complementary arrangement. The basic unit, the nucleotide , consists of a molecule of deoxyribose sugar, a phosphate group, and one of four nitrogenous bases.