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Nitrogenous base


Nitrogenous base A nitrogen-containing molecule having the chemical properties of a base. DNA contains the nitrogenous bases adenine (A), guanine (G), cytosine (C), and thymine (T).
See also: DNA ...
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Nitrogenous base
A nitrogen-containing molecule having the chemical properties of a base. See purine and pyrimidine.
Related Terms: Purine ...
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Nitrogenous bases of which thymine is found in DNA; uridine in RNA; and cytosine in both.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Nitrogenous base: a molecule with the properties of a base, which also contains the element nitrogen.
Nucleic acid: a large molecule composed of repeating nucleotides ...
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nitrogenous base: the nitrous molecules that make up DNA (and RNA) molecules; two major types are purines and pyrimidines.
nonvascular plants: the plants that do not have specialized tissues to transport fluids.
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nitrogenous base
(nigh-tra-jen-us)
An organic base that contains the element nitrogen.
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Nitrogenous bases. The purines (adenine and guanine) and pyrimidines (thymine, cytosine, and uracil) that comprise DNA and RNA molecules.
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Nitrogenous base: A nitrogen- containing molecule having the chemical properties of a base.
Non-coding strand: Anti-sense strand. See "Sense strand" for a discussion of sense strand vs. anti-sense strand.
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RNA with its nitrogenous bases to the left and DNA to the right.
RNA is primarily made up of four different bases: adenine, guanine, cytosine, and uracil.
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guanine One of the nitrogenous bases in nucleic acids, guanine is one of the two purine bases. PICTURE
gymnosperms Flowerless, seed-bearing land plants; the ?rst seed plants; living groups include the pines, ginkgos, and cycads. Naked seeds.
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A pair of complementary nitrogenous bases in a DNA molecule--adenine-thymine and guanine-cytosine. Also, the unit of measurement for DNA sequences. Bioaugmentation.
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base pair a pair of hydrogen-bonded nitrogenous bases (one purine and one pyrimidine) that join the component strands of the DNA double helix.
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DeoxyribonucleicAcid(DNA) the genetic code material consisting of pairs of nitrogenous bases bonded to a "ladder" of phosphate and ribose molecules
(de = from down out; deoxy = without oxygen) ...
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DNA is composed of units called nucleotides. Each nucleotide contains a phosphate group, a deoxyribose sugar, and a nitrogenous base.
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point mutations A change in the structure of a gene that usually arises from the addition, deletion, or substitution of one or more nitrogenous bases.
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