a has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of a in Scientific & Educational.
A purine base found in DNA or RNA.
Scientific & EducationalAlanine (abbreviated as Ala or A) is an α-amino acid with the chemical formula CH3CH(NH2)COOH. The L-isomer is one of the 20 amino acids encoded by the genetic code. Its codons are GCU, GCC, GCA, and GCG.
Scientific & Educational(Atomic Mass Average) The average mass of all nuclides of an element determined by the proportions in which each nuclide of the element are present within the earth and its atmosphere.
Scientific & EducationalA substance that produces H+(aq) ions in aqueous solution. Strong acids ionize completely or almost completely in dilute aqueous solution. Weak acids ionize only slightly.
Scientific & EducationalA market in which there is much trading.
Scientific & EducationalA purine nucleoside found in DNA, RNA, and many cofactors.
Scientific & EducationalThe maximum instantaneous value of alternating current or voltage. It can be in either a positive or negative direction. The greatest distance through which an oscillating body moves from the mid point. OR A measure of floor vibration. It is the magnitude or total distance traveled by each oscillation of the vibration. OR A measurement of the distance from highest to lowest excursion of a variable or physical motion. Often used with reference to waveforms.
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