The basic structure of DNA can be divided into two portions: the external sugar-phosphate backbone, ... The sugar-phosphate backbone of DNA is polar, and therefore hydrophillic; thus it likes to be proximal to water. The interior portion of DNA, the bases, are relatively non-polar and therefore hydrophobic.
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The DNA backbone is a polymer with an alternating sugar-phosphate sequence. The deoxyribose sugars are joined at both the 3'-hydroxyl and 5'-hydroxyl groups to phosphate groups in ester links, also known as "phosphodiester" bonds.
www.blc.arizona.edu/Molecular_Graphics/DNA_Structure/DN... www.blc.arizona.edu/Molecular_Graphics/DNA_Structure/DNA_Tutorial.HTML
This restriction is essential when the DNA is being copied: the DNA-helix is first "unzipped" in two long stretches of sugar-phosphate backbone with a line of free bases sticking up from it, like the teeth of a comb.
nobelprize.org/educational_games/medicine/dna_double_he... nobelprize.org/educational_games/medicine/dna_double_helix/readmore.html
it represents another deoxyribose sugar (not shown in detail). The sugar phosphate backbone is a long chain of sugar-phosphate-sugar-phosphate-sugar-etc., with the nitrogenous bases sticking out of the backbone. Two such chains are twisted around each other to form the famous double helix structure of DNA.
www.newton.dep.anl.gov/askasci/mole00/mole00477.htm
adenine guanine, sugar phosphate backbone, guanosine triphosphate: Nucleotides are molecules useful in cells for carrying information, providing energy and transferring information from the genome to the cell. Mostly, when we speak of nucleotides, we mean components of DNA and RNA. ... More Biology Answers; ... ; You are here:
en.allexperts.com/q/Biology-664/2008/5/DNA-18.htm en.allexperts.com/q/Biology-664/2008/5/DNA-18.htm
sugar phosphate backbone, solenoid coils, circular molecule: SM, Generally, I do not directly answer homework questions that can be found in your textbook. 1. Bacterial DNA is packaged into the cell, as eukaryotic chromosomes are packaged into the nucleus. ... 1. Bacterial DNA is packaged into the cell,
en.allexperts.com/q/Genetics-1795/DNA-RNA-1.htm en.allexperts.com/q/Genetics-1795/DNA-RNA-1.htm
The sugar-phosphate backbone of DNA can be looked upon as a one- ... Sugar-Phosphate Backbone of DNA (Numbering of the Atoms Same as in Fig. 1) ...
doi.wiley.com/10.1002/bip.1974.360130906
DNA - Wikipedia, the free encyclopedia
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Deoxyribonucleic acid ( DNA ) is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses. The main role of DNA m...
en.wikipedia.org/wiki/DNA
The DNA backbone is a polymer with an alternating sugar-phosphate sequence. The deoxyribose sugars are joined at both the 3'-hydroxyl and 5'-hydroxyl groups to phosphate groups in ester links, also known as "phosphodiester" bonds.
www.biology.arizona.edu/biochemistry/activities/DNA/10t... www.biology.arizona.edu/biochemistry/activities/DNA/10t.html
A detailed analysis of the coupling between the conformational properties of the sugar-phosphate backbone and the base stacking interactions in dinucleotide steps of double helical DNA is described.
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