Dna Diagram Sugar Phosphate

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Dna Diagram Sugar Phosphate - the sugar phosphate backbone as mentioned is an important ponent of dna s double helix structure the structure of dna is tied to its function the pairing of the nitrogenous bases that are connected to the sugar phosphate backbone play a key role in the ability of dna to store and transfer ge ic information and one of four nitrogen containing molecules called nucleotides labeled a t c or g alternating sugar and phosphate units form the two sides of a ladder shaped arrangement with the rungs or steps each formed by a pair of nucleotide bases figure 2 below shows the structural formula of dna a dna strand is simply a string of nucleotides joined together i can show how this happens perfectly well by going back to a simpler diagram and not worrying about the structure of the bases the phosphate group on one nucleotide links to the 3 carbon atom on the sugar of another one sugar phosphate backbone.
the sugar phosphate backbone is an important stuctural ponent of dna it consists of 5 carbon deoxyribose sugars and phosphate groups these sugars are linked together by a phosphodiester bond between carbon 4 of their chain and a ch2 group that is attached to a phosphate ion dna nucleotides assemble in chains linked by covalent bonds which form between the deoxyribose sugar of one nucleotide and the phosphate group of the next this arrangement makes an alternating chain of deoxyribose sugar and phosphate groups in the dna polymer a structure known as the sugar phosphate backbone the correct structure of dna ponents can be presented as a phosphate base sugar b phosphate sugar base c base phosphate sugar d phosphate sugar phosphate base lecture 12 dna structure and function 56 terms ge ics chapter 9 68 terms biochem chapter 3 the nucleotides that prise dna contain a nitrogenous base.
a deoxyribose sugar and a phosphate group which covalently link with other nucleotides to form phosphodiester bonds nucleotide bases can be classified as purines containing a double ring structure or pyrimidines containing a group that covalently bonds to the deoxyribose sugar along the sides sugar phosphate backbone the sides of a dna molecule sugar phosphate sugar phosphate etc explanation dna is a polymer posed of nucleotide monomers each nucleotide is formed from a deoxyribose sugar a phosphate and a nitrogenous base

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