acid base
101acid sites — Locations on a solid that have acidic properties, as shown by their ability to react with a base such as ammonia or pyridine. Acid sites are found on many solid oxides and are active for catalyzing reactions …
102base-pair breathing — noun The transient, lateral opening of a base pair in a nucleic acid molecule as a result of thermal motion or the presence of a defect …
103base pair — noun Date: 1956 one of the pairs of nucleotide bases on complementary strands of nucleic acid that consist of a purine on one strand joined to a pyrimidine on the other strand by hydrogen bonds holding together the two strands much like the rungs …
104acid-baseequilibrium — ac·id base equilibrium (ăsʹĭd bās ) n. The state that exists when acidic and basic ions in solution exactly neutralize each other. * * * …
105base pair — Genetics. any of the pairs of the hydrogen bonded purine and pyrimidine bases that form the links between the sugar phosphate backbones of nucleic acid molecules: the pairs are adenine and thymine in DNA, adenine and uracil in RNA, and guanine… …
106base — beɪs n. foundation; bottom layer; principal element, fundamental part; fortified area, place from which actions are carried out (Military); one of the four points of the baseball diamond; substance which forms a salt when mixed with an acid… …
107base pair — noun Biochemistry a pair of complementary bases on opposite strands of a double stranded nucleic acid molecule, consisting of adenine pairs with thymine or uracil and cytosine pairs with guanine …
108base — n. Chemistry, compound combining with acid to form salt …
109Nucleic acid analogues — Not to be confused with degenerate bases. For phosphoramidite synthesis of nucleic acids, see Oligonucleotide synthesis. RNA with its nucleobases to the left and DNA to the right. Nucleic acid analogues are compounds structurally similar (analog) …
110carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …
