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Topic: Complementary pairing

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	Attotron Molecular Biology Hypertext Dictionary
		the ability of two complementary nucleic acids to align in an opposing orientation to allow the nucleotide bases of one strand to form hydrogen bonds with the nucleotide bases of the complementary strand.
		A hybridization probe is used to anneal to and identify the complementary nucleic acid sequence.
		a polynucleotide molecule or portion of a polynucleotide molecule that is not annealed to a complementary polynucleotide molecule.
	www.attotron.com /pub/dnaquiz/diction.htm (9690 words)

	Complementary base pairing and the origin of substitution mutations
		On the basis of chemical considerations and model building, the Watson−Crick concept of complementary base pairing is extended to a wider range of DNA pairs than A−T and G−C (including A−C, G−T, A−A, G−G and G−A) by invoking imino or enol tautomers (or protonated species) and syn isomers.
		The virtual absence of these additional base pairs from DNA is explained in terms of the low frequency with which these unfavoured forms occur and the two-step mechanism of DNA synthesis, whereby residues are first incorporated by the DNA polymerase and then checked.
		This base-pairing hypothesis is used to explain the origin, nature and level of spontaneous substitution mutations, their enhancement by base analogues, and the unique effects of certain mutator alleles.
	www.nature.com /nature/journal/v263/n5575/abs/263285a0.html (379 words)

	BioMed Central \| Full text \| Competition between the DNA unwinding and strand pairing activities of the Werner and ...
		Complementary strands of the DNA double helix must be unwound during the course of transcription, replication, recombination, and repair.
		Interestingly, the use of an additional complementary DNA strand (to prevent re-annealing of unwound strands) during helicase reactions revealed that WRN alone could unwind both long and blunt-ended duplexes – structures that had been previously thought to be refractory to WRN helicase activity.
		Since WRN-mediated pairing is a second order reaction dependent on the concentration of each of the complementary strands [14], the rate of pairing would be more dramatically affected than the rate of unwinding (a first order reaction with respect to DNA substrate concentration) by lowering the amount of DNA substrate in the reaction.
	www.biomedcentral.com /1471-2199/7/1 (7663 words)

	DNA Replication
		Complementary base pairing (def) refers to nucleotides with the base adenine hydrogen bonding only with nucleotides having the base thymine (A-T).
		As the strands continue to unwind and separate in both directions around the entire DNA molecule, new complementary strands are produced by the hydrogen bonding of free DNA nucleotides with those on each parent strand.
		As the phosphodiester bond forms between the 5' phosphate group of the new nucleotide and the 3' OH of the last nucleotide in the DNA strand, two of the phosphates are removed providing energy for bonding (see Fig.
	student.ccbcmd.edu /courses/bio141/lecguide/unit6/genetics/DNA/DNArep/dnarep.html (1986 words)

	DNA - Biocrawler (Site not responding. Last check: )
		Specificity of which strands stay associated is determined by complementary pairing.
		In a vertically oriented double helix, the 3' strand is said to be ascending while the 5' strand is said to be descending.
		This explanation was the complementary pairing of the bases, which also had the effect of ensuring that the distance between the phosphate chains did not vary along a sequence.
	www.biocrawler.com /encyclopedia/DNA (3928 words)

	DNA
		DNA is organized as two complementary strands, head-to-toe, with hydrogen bonds between them that can be "unzipped" like a zipper, separating the strands — contrary to a common misconception, DNA is not a single molecule, but rather a pair of molecules joined by these bonds;
		However the structure of the bases had been incorrectly guessed in the textbooks as the enol tautomer when they were more likely to be in the keto form.
		When Jerry Donohue pointed this fallacy out to Watson, Watson quickly realised that the pairs of adenine and thymine, and guanine and cytosine were almost identical in shape and so would provide equally sized 'rungs' between the two strands.
	www.brainyencyclopedia.com /encyclopedia/d/dn/dna.html (6120 words)

	Molecular Recognition in Monolayers. Complementary Base Pairing in Dioleoylphosphatidyl Derivatives of Adenosine, ...
		More primitive systems that display complementary base recognition as a prerequisite to information and, eventually, self-replication might represent a possible route.
		In particular DOP-adenosine shows a preferential interaction with Li The properties of mixtures of the DOP-adenosine/DOP-uridine complementary bases were investigated and compared to those of the non-complementary bases (DOP-adenosine/DOP-cytidine).
		The results indicate a preferential interaction in a hydrophilic environment only for complementary nucleophospholipids at physiological pH, suggesting that the specific interfacial orientation of the phospholiponucleoside imposed by the interface promotes the molecular recognition between the two complementary bases in a way that resembles the Watson-Crick pairing in natural nucleic acids.
	pubs.acs.org /cgi-bin/abstract.cgi/langd5/1997/13/i13/abs/la970334a.html (316 words)

	Sequences that facilitate high fidelity of pairing by RecA: A model
		D-loop complexes are essentially sustained by complementary pairing between the filament strand and its complement in the superhelical duplex.
		We monitored complementary pairing between an 83-mer oligo and a 33-mer (having equal preponderance of all the four bases) in an assay where we substituted a particular base for another at every position on the 33-mer.
		The pairing hierarchy was expressed as the percentage of tester-oligo that was ligated due to targeted pairing (Figure 1, first base on the mispair is from the RecA-83-mer filament and the second base from the 33-mer tester).
	www.ias.ac.in /currsci/feb25/articles25.htm (2084 words)

	DNA/Protein synthesis
		The hydrogen bonds between the complementary base pairs are broken.
		-RNA nucleotides bind with DNA nucleotides by complementary base pairing on one of the two DNA strands that are exposed after unzipping.
		The tRNA anticodon bonds to it complementary codon.
	www.abbysenior.com /biology/dna_protein_synthesis.htm (1358 words)

	Wine Pairing Suggestions from Evite
		When pairing food and wine, balance and synergy are components for creating complementary and enhancing flavors.
		The beauty of wine is its ability to constantly change during the fermentation process.
		When well-matched, you should be able to transform the flavors of the food and wine to create a pallet-pleasing experience.
	www.evite.com /pages/party/wine-pairing.jsp (205 words)

	Complementary base pairing / A glossary of terms / Help / Home - The New Zealand Biotechnology Learning Hub
		Complementary base pairing / A glossary of terms / Help / Home - The New Zealand Biotechnology Learning Hub
		The pairing of adenine (A) with thymine (T) and cytosine (C) with guanine (G) in a DNA double helix.
		Or the pairing of adenine (A) with uracil (U) and cytosine (C) with guanine (G) in a DNA-RNA complex (e.g., during transcription).
	www.biotechlearn.org.nz /help/a_glossary_of_terms/complementary_base_pairing (60 words)

	Base pair Details, Meaning Base pair Article and Explanation Guide
		In genetics, two nucleotides on opposite complementary DNA or RNA strands that are connected via hydrogen bonds are called a base pair (often abbreviated bp).
		The larger nucleic acids, adenine and guanine, are members of a class of doubly-ringed chemical structures called purines; the smaller nucleic acids, cytosine and thymine (and uracil), are members of a class of singly-ringed chemical structures called pyrimidines.
		Purines are only complementary with pyrimidines: pyrimidine-pyrimidine pairings are energetically unfavourable because the molecules are too far apart for hydrogen bonding to be established; purine-purine pairings are energetically unfavourable because the molecules are too close, leading to electrostatic repulsion.
	www.e-paranoids.com /b/ba/base_pair.html (356 words)

	Base Pairing (Site not responding. Last check: )
		But why not A with C and G with T? The answer: only with A and T and with C and G are there opportunities to establish hydrogen bonds (shown here as dotted lines) between them (two between A and T; three between C and G).
		The rules of base pairing tell us that if we can "read" the sequence of nucleotides on one strand of DNA, we can immediately deduce the complementary sequence on the other strand.
		The rules of base pairing explain the phenomenon that whatever the amount of adenine (A) in the DNA of an organism, the amount of thymine (T) is the same (called Chargaff's rule).
	users.rcn.com /jkimball.ma.ultranet/BiologyPages/B/BasePairing.html (248 words)

	DNA - Facts, Information, and Encyclopedia Reference article
		The mother's mitochondrial DNA together with twenty-three chromosomes from each parent combine to form the genome of a fertilized egg.
		As a result, with certain exceptions such as red blood cells, most human cells contain 46 pairs of chromosomes, together with mitochondrial DNA inherited from the mother.
		Each vine-like molecule is a strand of DNA: a chemically linked chain of nucleotides, each of which consists of a sugar, a phosphate and one of five kinds of nucleobases ("bases").
	www.startsurfing.com /encyclopedia/d/n/a/DNA_396c.html (5249 words)

	DNA/Protein synthesis
		The hydrogen bonds between the complementary base pairs are broken.
		The DNA bases are exposed so complementary base pairing can occur.
		-RNA nucleotides bind with DNA nucleotides by complementary base pairing on one of the two DNA strands that are exposed after unzipping.
	abbysenior.com /biology/dna_protein_synthesis.htm (1358 words)

	Chapter 17: Recombinant DNA and Biotechnology (Site not responding. Last check: )
		For a eukaryotic genome with tens of millions of base pairs, the number of fragments will be very large.
		The 23 pairs of human chromosomes can be thought of as a library that contains the entire genome of our species.
		Antisense RNA is RNA that is complementary to a sequence of mRNA.
	www.geocities.com /tmkennedy8/apchap18-1.htm (4134 words)

	Structure of DNA
		Illustration of the double helical structure of the DNA molecule.
		The structure of DNA is illustrated by a right handed double helix, with about 10 nucleotide pairs per helical turn.
		Each spiral strand, composed of a sugar phosphate backbone and attached bases, is connected to a complementary strand by hydrogen bonding (non- covalent) between paired bases, adenine (A) with thymine (T) and guanine (G) with cytosine (C).
	www.accessexcellence.org /RC/VL/GG/structure.html (98 words)

	Pairing Wine With Food \| Pork with Wine \| Meat with Wine
		General guidelines and specific suggestions to pairing wine and food are only a click away.
		Take notes on the wine and food pairing that worked for you and yours, and on the combinations that failed.
		See the Articles section of this website for dozens and dozens of my articles on French, German, and Italian wine regions with my experiences tasting a local wine with several meals and at least one imported cheese.
	www.theworldwidewine.com /Wine_and_food_home.php (286 words)

	DNA
		Replication is semiconservative (1 new, 1 old) because each of the new helixes after the first round of replication contain one of the original strands and one new strand.
		2) New complementary nucleotides, always present in the nucleus, move into the appropriate place according to complementary base pairing.
		The bases seldom pair incorrectly because DNA polymerase has a proofreading function.
	www.angelfire.com /sc/mrcomeau/dnanotes.html (1207 words)

	Articles - DNA (Site not responding. Last check: )
		Contrary to a common misconception, the DNA is not a single molecule, but rather a pair of molecules joined by hydrogen bonds: it is organized as two complementary strands, head-to-toe, with the hydrogen bonds between them.
		Two nucleotides paired together are called a base pair.
		The double-stranded structure of DNA provides a simple mechanism for DNA replication: the DNA double strand is first "unzipped" down the middle, and the "other half" of each new single strand is recreated by exposing each half to a mixture of the four bases.
	www.zdiamond.net /articles/DNA (5762 words)

	DNA-- Biotechnology Stocks
		Rather, they are pairs of molecules, which entwine like vines to form a double
		Because pairing causes the nucleotide bases to face the helical axis, the sugar and phosphate groups of the nucleotides run along the outside, and the two chains they form are sometimes called the "backbones" of the helix.
		PCR, provided they have fewer than about 10,000 base pairs (10 kilobase pairs, or 10 kbp).
	www.biotech100.com /biotechnology_encyclopedia/dna.htm (2897 words)

	Evidence for the regulation of alternative splicing via complementary DNA sequence repeats -- Lian and Garner 21 (8): ...
		The gene weighted average ratio of the numbers of complementary repeat pairs in alternatively (CR-AS) and non-alternatively spliced genes (CR-NAS) between 5000 and 70 000 is 2.67; excluding outliers influenced by individual bins that contain alternatively spliced genes with extra ordinary complementary repeat pairs (arrows), the average ratio is 2.3.
		Table 3 Distribution of complementary repeat pairs in introns that are or are not associated with alternatively spliced exons
		pair is 6750 nt and the distance between the end of the exon
	bioinformatics.oxfordjournals.org /cgi/content/full/21/8/1358 (3472 words)

	Bayview School of Cooking
		Skip the frou frou wines for some less pricey alternatives.
		This casual and informative comparative wine tasting includes 5-6 wine samples with complementary cheeses.
		Sample some red and white varietals that complement traditional dinners -- Sangioveses, Zinfandels, and Gewürztraminers to name a few -- all vinos with versatility.
	www.bayviewschoolofcooking.com /schedule.html (1055 words)

	Eukaryotic Gene Expression Problem Set (Site not responding. Last check: )
		The most common source of DNA complementary to an mRNA is the DNA coding strand that was the template for synthesis of the RNA.
		a strand with 5' → 3' direction pairs with a complementary strand of opposite direction, 3' → 5'.
		In DNA-RNA hybrid formation, G base pairs with C, A of the RNA pairs with T of the DNA, and U or the RNA pairs with A of the DNA.
	www.biology.arizona.edu /molecular_bio/problem_sets/mol_genetics_of_eukaryotes/09t.html (133 words)

	Base Pairing in DNA: The Watson-Crick Model (Site not responding. Last check: )
		Again, this is related to the structure of each base and how a proper "fit" (both in base size and chemical makeup) allows the DNA helix to exist in a physically and chemically stable structure.
		Identical base pairing would mean that A's bond with A's, G's with G's, and so on, which (of course) isn't the case.
		This complementary base pairing in the two strands explains why A/T and G/C always occur in equal amounts.
	www.ncc.gmu.edu /dna/base.htm (513 words)

	Peas in a Pod
		Four/Five is often a complementary pairing--I've seen this with close friends and with business clients.
		A key factor of the MBTI for the Four/Five pairing is whether either member of the couple is extroverted or introverted.
		Fives need to place more value on feelings and share their own feelings more generously, which they can learn from their Four partners.
	www.breakoutofthebox.com /work45.htm (699 words)

	tRNA & Ribosomes
		link two complementary nucleotide bases on separate nucleic acid strands, or on complementary portions of the same strand.
		These stem structures are stabilized by stacking interactions as well as base pairing, as in DNA.
		Structures of the large and small subunits of bacterial and eukaryotic ribosomes have been determined, by X-ray crystallography and by cryo-electron microscopy with image reconstruction.
	www.rpi.edu /dept/bcbp/molbiochem/MBWeb/mb2/part1/trna.htm (1550 words)

	[No title]
		Matching a Wisconsin Cheese with wine, beer or other foods and beverages can provide a complementary, contrasting or new flavor combination.
		Remember, there are no hard and fast rules to pairing cheeses with other foods and beverages, only guidelines.
		Our suggestions will give you a place to begin.
	www.wisdairy.com /AllAboutCheese/Entertaining/PairingSuggestions (57 words)

	FTE News Magazine - Breaking News
		Seeds, syrups and molasses awaken the taste buds in a Pomegranate Juice Vinaigrette on Walnut and Date Salad, Pomegranate Chicken Quinoa with Herbs and Feta and a Lemon Mascarpone Tart with Rosemary and Cornmeal Crust.
		The class, which includes complementary wine pairing, is $40.
		It takes place in the BSC demo kitchen on the second floor of Bayview Thriftway, 516 West 4th Ave.
	www.ftemag.com (2728 words)

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