Keyword Analysis & Research: dna structure


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dna0.4619123763
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  • DNA function & structure (with diagram) (article) | Khan Academy

    khanacademy.org

    https://www.khanacademy.org/test-prep/mcat/biomolecules/dna/a/dna-structure-and-function

    WEBGoogle Classroom. DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.

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  • DNA | Definition, Discovery, Function, Bases, Facts, & Structure

    britannica.com

    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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  • DNA Structure | Biology Dictionary

    biologydictionary.net

    https://biologydictionary.net/dna-structure/

    WEBJan 21, 2021 · DNA molecules consist of two DNA strands, which are twisted around one another to form a spiral shape known as the double helix. The double helix structure of DNA was first discovered in 1953 by James Watson, Francis Crick, and Rosalind Franklin. What is the structure of DNA? A nucleotide. A phosphodiester bond. Base pairs in DNA. …

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  • DNA - Wikipedia

    wikipedia.org

    https://en.wikipedia.org/wiki/DNA

    WEBThe structure of DNA is dynamic along its length, being capable of coiling into tight loops and other shapes. In all species it is composed of two helical chains, bound to each other by hydrogen bonds. Both chains are coiled around the same axis, and have the same pitch of 34 ångströms (3.4 nm).

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  • The Structure and Function of DNA - Molecular Biology of the Cell

    nih.gov

    https://www.ncbi.nlm.nih.gov/books/NBK26821/

    WEBA DNA molecule consists of two long polynucleotide chains composed of four types of nucleotide subunits. Each of these chains is known as a DNA chain, or a DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together ( …

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  • 9.1: The Structure of DNA - Biology LibreTexts

    libretexts.org

    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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  • Discovery of the structure of DNA (article) | Khan Academy

    khanacademy.org

    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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  • The structure of DNA

    nature.com

    https://www.nature.com/articles/d41586-019-02554-z

    WEB09 October 2019. The structure of DNA. In the early 1950s, the identity of genetic material was still a matter of debate. The discovery of the helical structure of double-stranded DNA...

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  • DNA structure: Video, Anatomy, Definition & Function | Osmosis

    osmosis.org

    https://www.osmosis.org/learn/DNA_structure

    WEBThe basic structure of DNA is a double helix, which consists of two long strands of DNA wrapped around each other. Each strand consists of many nucleotides, each consisting of a sugar and phosphate group, which form the sugar-phosphate backbone of DNA, and a nitrogenous base, which determines the identity of each nucleotide. The order of the ...

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  • Introduction: What is DNA? | Learn Science at Scitable - Nature

    nature.com

    https://www.nature.com/scitable/topicpage/introduction-what-is-dna-6579978/

    WEBDeoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All...

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