Medical dictionary. 2011.
high-energy phosphate — an ester, amide, or anhydride of phosphoric acid that contains a high energy phosphate bond (q.v.), e.g., ATP or phosphocreatine … Medical dictionary
high energy bond — a chemical bond whose hydrolysis yields high levels of free energy; such bonds involve phosphate (high energy phosphate b.) or sulfur (high energy sulfur b.) or other mixed anhydride types of chemical structures … Medical dictionary
high-energy bond — Chemical bonds that release more than 25kJ/mol on hydrolysis: their importance is that the energy can be used to transfer the hydrolyzed residue to another compound. The risk in using the term is that students may think the bond itself is… … Dictionary of molecular biology
bond — In chemistry, the force holding two neighboring atoms in place and resisting their separation; a b. is electrovalent if it consists of the attraction between oppositely charged groups, or covalent if it results from the sharing of one, two, or… … Medical dictionary
High-performance liquid chromatography — An HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance. Acronym HPLC Classification Chromatography … Wikipedia
adenosine 3′-phosphate 5′-phosphosulfate — An intermediate in the formation of urinary ethereal sulfates, notable for containing a “high energy” sulfate bond; the 3′ OH of adenosine is replaced by OPO3H2, the 5′ OH by OP(O2H) OSO3H. SYN: active sulfate … Medical dictionary
High performance liquid chromatography — Infobox chemical analysis name = High performance liquid chromatography caption =A HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance.… … Wikipedia
chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Pyrophosphate — Pyrophosphate … Wikipedia
