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DNA Structure | Biology Dictionary
https://biologydictionary.net/dna-structure/
WebJan 21, 2021 · DNA Structure. DNA (deoxyribonucleic acid) molecules are nucleic acids, which are the information-carrying molecules of the cell. DNA molecules are polymers and are made up of many smaller molecules, called nucleotides. Each nucleotide contains a phosphate group, a sugar molecule, and a nitrogenous base.
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DNA function & structure (with diagram) (article) | Khan Academy
https://www.khanacademy.org/test-prep/mcat/biomolecules/dna/a/dna-structure-and-function
WebChromosomal DNA consists of two DNA polymers that make up a 3-dimensional (3D) structure called a double helix. In a double helix structure, the strands of DNA run antiparallel, meaning the 5’ end of one DNA strand is …
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DNA | Definition, Discovery, Function, Bases, Facts, & Structure
https://www.britannica.com/science/DNA
Web3 days ago · DNA, 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.
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9.1 The Structure of DNA - Concepts of Biology | OpenStax
https://openstax.org/books/concepts-biology/pages/9-1-the-structure-of-dna
WebThe building blocks of DNA are nucleotides, which are made up of three parts: a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base ( Figure 9.3 ). There are four types of nitrogenous bases in DNA. Adenine (A) and guanine (G) are double-ringed purines, and cytosine (C) and thymine (T) are smaller, single-ringed …
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DNA - Wikipedia
https://en.wikipedia.org/wiki/DNA
WebDeoxyribonucleic acid ( / diːˈɒksɪˌraɪboʊnjuːˌkliːɪk, - ˌkleɪ -/ ⓘ; [1] DNA) is a polymer composed of two polynucleotide chains that coil around each other to form a double helix. The polymer carries genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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9.1: The Structure of DNA - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Concepts_in_Biology_(OpenStax)/09%3A_Molecular_Biology/9.01%3A_The_Structure_of_DNA
WebMar 17, 2022 · Now let’s consider the structure of the two types of nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The building blocks of DNA are nucleotides, which are made up of three parts: a deoxyribose (5-carbon sugar), a phosphate group, and a nitrogenous base (Figure \(\PageIndex{2}\)).
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DNA Structure - Visible Body
https://www.visiblebody.com/learn/biology/dna-chromosomes/dna-structure
WebDNA Structure. Zooming in on DNA Structure. 1. A molecule of DNA consists of two strands that form a double helix structure. DNA is a macromolecule consisting of two strands that twist around a common axis in a shape called a double helix.
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DNA - Definition, Function, Structure and Discovery - Biology …
https://biologydictionary.net/dna/
WebApr 8, 2019 · Reviewed by: BD Editors. Last Updated: April 8, 2019. DNA Definition. Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of proteins, the regulation, metabolism, and reproduction of the cell.
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DNA Is a Structure That Encodes Biological Information
https://www.nature.com/scitable/topicpage/dna-is-a-structure-that-encodes-biological-6493050/
WebIn short, DNA is a complex molecule that consists of many components, a portion of which are passed from parent organisms to their offspring during the process of...
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Discovery of the structure of DNA (article) | Khan Academy
https://www.khanacademy.org/science/biology/dna-as-the-genetic-material/dna-discovery-and-structure/a/discovery-of-the-structure-of-dna
WebThe structure of DNA, as represented in Watson and Crick's model, is a double-stranded, antiparallel, right-handed helix. The sugar-phosphate backbones of the DNA strands make up the outside of the helix, while the nitrogenous bases are found on the inside and form hydrogen-bonded pairs that hold the DNA strands together.
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