Nucleotide: A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions. Nucleotides consist of a five-carbon sugar, a heterocyclic nitrogen-containing organic base, and a phosphate group.

 

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Nucleotide: A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions. Nucleotides consist of a five-carbon sugar, a heterocyclic . . . View Full Definition

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. Some nuc . . . View Full Definition

Polynucleotides: Long chains of nucleotides formed by chemical links between the sugar and phosphate groups.

Oligonucleotide: A molecule usually composed of 25 or fewer nucleotides: used as a dna synthesis primer.

Nucleotide Base: A heterocyclic nitrogen-containing base that is a constituent of nucleotides. Examples are adenine, guanine, thymine, uracil, and cytosine.

Single Nucleotide Polymorphism (SNP): Dna sequence variations that occur when a single nucleotide (a, t, c, or g) in the genome sequence is altered.

Complementary Nucleotides: The bonding preferences of nucleotides, Adenine with Thymine, and Cytosine with Guanine. Also referred to as complementary base pairing.

Nicotine Adenine Dinucleotide Phosphate (NADP): A substance to which electrons are transferred from photosystem I during photosynthesis; the addition of the electrons reduces NADP, which acquires a hydrogen ion to form NADPH, which is a s . . . View Full Definition

Nucleotide Sequences: The genetic code encrypted in the sequence of bases along a nucleic acid.

Physical Map: A map of the locations of identifiable landmarks on dna (e.g., restriction enzyme cutting sites, genes), regardless of inheritance. Distance is measured in base pairs. For the human genome, . . . View Full Definition