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Bookmark or Share- DNA | Definition, Discovery, Function, Bases, Facts, & StructureDNA, organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits. The structure of DNA was described in 1953, leading to further understanding of DNA replication and hereditary control of cellular activities.
- Discovery of the structure of DNA (article) | Khan AcademyThe components of DNA. From the work of biochemist Phoebus Levene and others, scientists in Watson and Crick's time knew that DNA was composed of subunits called nucleotides 1 . A nucleotide is made up of a sugar (deoxyribose), a phosphate group, and one of four nitrogenous bases: adenine (A), thymine (T), guanine (G) or cytosine (C).
- What is DNA?: MedlinePlus GeneticsDNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
- Genetic material - Definition and Examples - Biology OnlineGenetic material is the hereditary substance in the cell. It carries all information specific to an organism. It is known as DNA (deoxyribonucleic acid) or RNA (ribonucleic acid). Where is genetic material found? The cytoplasm of prokaryotes such as bacteria contains DNA.
- 1.2: DNA is the Genetic Material - Biology LibreTextsRNA and protein. While DNA is the genetic material for the vast majority of organisms, there are some viruses that use RNA as their genetic material. These viruses can be either single or double stranded and include SARS, influenza, hepatitis C and polio, as well as the retroviruses like HIV-AIDS.
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