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base pair
(redirected from Nucleotide pair)

    Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
base pair
n.
The pair of nitrogenous bases, consisting of a purine linked by hydrogen bonds to a pyrimidine, that connects the complementary strands of DNA or of hybrid molecules joining DNA and RNA. The base pairs are adenine-thymine and guanine-cytosine in DNA, and adenine-uracil and guanine-cytosine in RNA.
base pair
Any of the pairs of nucleotides connecting the complementary strands of a molecule of DNA or RNA and consisting of a purine linked to a pyrimidine by hydrogen bonds. The base pairs are adenine-thymine and guanine-cytosine in DNA, and adenine-uracil and guanine-cytosine in RNA or in hybrid DNA-RNA pairing. Base pairs may be thought of as the rungs of the DNA ladder.
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Noun1.base pair - one of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands; the base pairs are adenine with thymine and guanine with cytosine in DNA and adenine with uracil and guanine with cytosine in RNA
deoxyribonucleic acid, desoxyribonucleic acid, DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; "DNA is the king of molecules"
nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
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Base pairing rules for DNA dictate that the hydrogen bonds work to join up appropriate nucleotide pairs like jigsaw pieces-adenine with thymine and cytosine with guanine.
Quantum tunneling may aid quest for low-cost DNA sequencing by Asian News International
siRNAs are double-stranded RNA molecules, 19-23 nucleotide pairs in length, which can silence the expression of a single gene in a sequence-specific manner by template-based degradation of the target mRNA (messenger RNA).
RNAi therapeutics: the future of medicine by Quay, Steven C.; Johnson, Paul H. / Pharma
Unlike mammalian DNA, the genetic material of bacteria often contains long stretches in which the cytosine-guanine nucleotide pair (CpG) repeats many times.
DNA injections fight tumors in mice by J. T. / Science News
 
 
 
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