Nucleotide

nucleotide
one of the nucleic acid bases, that along with sugar and inorganic phosphate make up the basic subunits of DNA and RNA
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
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Nucleotide (NT)
The building block for DNA/RNA. Frequently used as a measure of DNA/RNA chain length.
Related ...
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Nucleotides
Nucleic acids are linear, unbranched polymers of nucleotides.
Nucleotides consist of three parts: ...
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Nucleotides are the structural units of RNA, DNA, and several cofactors - CoA, FAD, FMN, NAD, and NADP. In the cell they play important roles in energy production, metabolism, and signaling.
The structure elements of the most common nucleotides ...
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The recognition of DNA damage in nucleotide excision repair (NER) is less specific than in BER and can thus repair a wider range of damage types.
Some proteins (TFIIH, for example) and thus their genes are multifunctional.
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A pair of complementary nucleotides (one in each strand of DNA) that are joined by hydrogen bonds.
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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A nucleotide is a monomer or the structural unit of nucleotide chains forming nucleic acids as RNA and DNA. A nucleotide consists of a heterocyclic nucleobase, a pentose sugar, and a phosphate or polyphosphate group.
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Search for deoxyribonucleotide in these other databases too
Definition of deoxyribonucleotide : ...
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Dr. Francis Collins, director of the National Human Genome Research Institute, defines single nucleotide polymorphisms (SNPs).
related
terms:
deoxyribonucleic acid (DNA), inherited, nucleotide, polymorphism, genetic code (ATGC) ...
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Nucleotide
A subunit of DNA or RNA consisting of a nitrogenous base (purine in adenine and guanine, pyrimidine in thymine, or cytosine for DNA and uracil cytosine for RNA), a phosphate molecule, ...
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Nucleotides are the building blocks of nucleic acids such as DNA and RNA. They contain a nitrogen-containing base, a 5-carbon sugar, and a phosphate group.
ATP is a nucleotide that contains adenine (base), ribose (sugar), and three phosphate groups.
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Nucleotide-to-Nucleotide
comparisons, ungapped
IUB/GCG-16 Symbol Set; ktup=1. Dual scoring: k-tuple length, and max. % matches in user set "bin" size of 16 to 512 bases/bin (powers of 2).
1.28 Billion nt-nt
comparisons/sec
(ktup=1) ...
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nucleotides The subunits of nucleic acids; composed of a phosphate, a sugar, and a nitrogen-containing base. The fundamental structural unit of the nucleic acid group of organic macromolecules.
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Nucleotide: A subunit of DNA or RNA composed of a nitrogenous base, a phosphate molecule, and a pentose sugar molecule.
Pentose sugar: A sugar molecule containing five carbon atoms. E.g.: deoxyribose.
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nucleotide -- unit from which nucleic acids are constructed by polymerization. It contains a sugar, a phosphate group, and an organic base. ATP is a nucleotide.
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Nucleotide
A nucleoside with a phosphate group attached.
Null
Completely absent. For example, a null mutation completely disrupts a gene.
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nucleotides - serve as building blocks for the construction of nucleic acids. Nucleoside with one or more phosphate group joined in ester linkages to the sugar moiety. DNA andRNA are polymers of nucleotides. Nucleotide Y nucleoside.
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Nucleotide: A molecular subunit of DNA or RNA consisti ng of a base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA). Thousands of nucleotides are linked to form a DNA or RNA molecule.
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Nucleotide sequences, usually noncoding, that are present in many copies in a eukaryotic genome. The repeated units may be short and arranged tandemly (in series) or long and dispersed in the genome.
replication ...
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nucleotide: the unit that makes up nucleic acid; contains a nitrogen base, a phosphate group, and a carbohydrate molecule.
nucleus: the organelle within eukaryotic cells that contains the genetic material, DNA.
O ...
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nucleotide A molecule consisting of phosphate, 5-carbon sugar (ribose or deoxyribose), and a purine or a pyrimidine; the purines are adenine and guanine, and the pyrimidines are cytosine, thymine, and uracil.
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Nucleotide = Base + Sugar + Phosphate (1, 2, or 3)
OLIGODEOXYRIBONUCLEOTIDE - A short, single-stranded DNA molecule, generally l5-50 nucleotides in length, which may be used as a primer or a hybridization probe.
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Nucleotide. A building block of DNA and RNA, consisting of a nitrogenous base, a five-carbon sugar, and a phosphate group. Together, the nucleotides form codons, which when strung together form genes, which in turn link to form chromosomes.
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Nucleotide positions that can be changed without changing the sequence of a protein are called silent sites. Sites where changes result in an amino acid substitution are called replacement sites.
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Nucleotide: A building block of DNA or RNA consisting of a nitrogenous base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate molecule, ...
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a nucleotide sequence in a DNA strand;
or the transcribed RNA, prior to splicing;
or the transcribed RNA after splicing, i.e. without the introns
The latter meaning of gene is the result of more "material entity" that the first one.
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oligonucleotide - piece of single-stranded nucleic acid, short stretch of nucleotides.
oogamy - a specialized form of heterogamy, which involves the production of large, relatively immotile eggs by one mating type and small, motile sperm by the other.
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: The nucleotides or amino acids most commonly found at each positions of the sequences of related molecules.
Contiguous gene syndromes ...
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Single Nucleotide Polymorphisms (SNPs)
An explanation of single nucleotide polymorphisms (SNPs).
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Spatial and Temporal Colinearity ...
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Figure 1: Nucleotide structure.
Figure 2: DNA strands are antiparallel
(the 5' end of one strand pairs with the
3' end of the opposite strand).
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FlavinAdenineDinucleotide (FAD FADH) another electron carrier similar to NAD+ (plays a role in the Krebs cycle)
(FAD + 2 e- + 2 H+ FADH2; flav = yellow)
Flexor a muscle which bends a joint
(flex = bend pliant) ...
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A matrix composed of a highly purified form of agar that is used to separate larger DNA and RNA molecules ranging 20,000 nucleotides. (See Electrophoresis.) Alleles.
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Codon -- a sequence of three nucleotides in mRNA that specifies an amino acid. Consanguinity -- genetic relationship. Consanguineous individuals have at least one common ancestor in the preceding few generations.
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terminal transferase An enzyme that catalyzes the addition of nucleotide residues of a single kind to the 3' end of DNA chains. For example polyA synthetase. termination codons stop codons.
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In practice, when synthesising an oligonucleotide primer or probe based on this information a mixture of all the possible sequences is made, and referred to as a degenerate oligonucleotide.
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It is proposed that the adenine nucleotide translocase (ANT) is converted into a non-specific pore through a calciummediated conformational change.
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Polymerization is the chemical process in which a series of simple structural units (monomers) combine to form a large chainlike molecule (polymers).
Chains of amino acids (polypeptides or proteins) or nucleotides (polynucleotides) are polymers.
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double stranded
two adjacent strands. For example DNA has two adjacent polynucleotide strands wound into a spiral shape.
duodenum
Part of the small intestine connecting the stomach to the ileum.
Covered in: ...
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