DNA contains four kinds of nitrogenous base: adenine (A), thymine (T), guanine (G) and cytosine (C). The DNA molecule is a double helix . It consists of two strands of smaller molecules called nucleotides wrapped around each other. Each nuc...
http://wiki.answers.com/Q/What_is_the_nitrogenous_base_...
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Base Pair: Two nitrogenous bases held together by weak bonds. In a DNA molecule adenine always pairs with thymine while cytosine always pairs with guanine. Thus, one DNA strand directs the synthesis of the other strand.
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www.accessexcellence.org/AE/AEC/CC/DNA_glossary.html
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Nitrogenous base - Topic:Biology - Online Encyclopedia ... (Science: molecular biology) two nitrogenous bases (adenine and thymine or guanine and cytosine) held together by weak bonds. two strands of dna are held together in the shape of a double helix by the bonds between base pairs.
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en.mimi.hu/biology/nitrogenous_base.html
en.mimi.hu/biology/nitrogenous_base.html
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As they stick out from the long backbone they attract a complimentary base (adenine bonds with thymine, cytosine to guanine), and thus it is through the weak hydrogen bonding of these ... The bonds between the nitrogenous bases that hold the two parts of the DNA molecule are relatively weak ones involving hydrogen atoms.
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library.thinkquest.org/20465/DNAstruct.html
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Guanine, like adenine, is a derivative of purine and binds to cytosine through 3 hydrogen bonds. ... Guanine is capable of being hydrolyzed by strong acids to form ammonia, carbon monoxide, carbon dioxide, and glycine. Guanine oxidizes more readily than adenine, another purine-derivative nitrogenous base in nucleic acids.
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en.wikibooks.org/wiki/Structural_Biochemistry/Nucleic_A...
en.wikibooks.org/wiki/Structural_Biochemistry/Nucleic_Acid/Nitrogenous_Bases/Purines/Guanine
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Nitrogenous base - Wikipedia, the free encyclopedia
A nitrogenous base is an organic compound that owes its property as a base to the lone pair of electrons of a nitrogen atom. Notable nitrogenous bases include purine bases. Pyrimidine and purine bas...
en.wikipedia.org/wiki/Nitrogenous_base
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Double-helical strands of DNA composed of simple chemical compounds bound together. The chemical base consists of phosphoric acid bound to deoxyribose sugar and one of 4 nitrogenous bases. ... Adenine always bonds with thymine, guanine always bonds with cytosine. ... Nitrogenous Base Classes and Pairs...
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fog.ccsf.edu/~tkobayas/physiokines/01eHistology.shtml
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and preserving DNA’s special structure and functions, such as, 1. The bases are largely buried in the interior of the DNA and are kept away from ... parts, too: one phosphate group, a five-carbon-atom sugar group, a nitrogenous base and chemical bonds for linking nucleotides.
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www.biology-online.org/dictionary/Nitrogenous_base
www.biology-online.org/dictionary/Nitrogenous_base
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nitrogenous base - nitrogen-containing subunits of DNA and RNA; includes adenine, thymine, cytosine, guanine, and uracil. ... polyunsaturated fats - solid triglyceride lipids with multiple double bonds.
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www.biologylessons.sdsu.edu/classes/lab6/glossary.html
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