rate-limiting step

См. также в других словарях:

• limiting factor — noun 1. : the factor that limits the reaction rate in any physiological process governed by many variables 2. : the environmental factor that is of predominant importance in restricting the size of a population lack of winter browse is a limiting …   Useful english dictionary

• limiting factor — 1. Physiol. the slowest, therefore rate limiting, step in a process or reaction involving several steps. 2. Biol. an environmental factor that tends to limit population size. * * * …   Universalium

• Product-determining step — The product determining step is the step of a chemical reaction that determines the ratio of products formed via differing reaction mechanisms that start from the same reactants. The product determining step is not rate limiting if the rate… …   Wikipedia

• Rest step — In mountaineering and hiking, the rest step is a human walking gait used in ascending steep slopes. Its essential characteristic is a pause of motion with the rear leg vertical and fully extended, while the front leg is relaxed except as needed… …   Wikipedia

• reaction mechanism — Introduction       in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… …   Universalium

• Aromatic L-amino acid decarboxylase — Ribbon diagram of a domestic pig DOPA decarboxylase dimer.[1] …   Wikipedia

• Kinetic isotope effect — The kinetic isotope effect (KIE) is the ratio of reaction rates of two different isotopically labeled molecules in a chemical reaction. It is also called isotope fractionation, although this term is somewhat broader in meaning. A KIE involving… …   Wikipedia

• Reactions on surfaces — By reactions on surfaces it is understood reactions in which at least one of the steps of the reaction mechanism is the adsorption of one or more reactants. The mechanisms for these reactions, and the rate equations are of extreme importance for… …   Wikipedia

• Metabolic control analysis — (MCA) is a mathematical framework for describing metabolic, signaling and genetic pathways. MCA quantifies how variables, such as fluxes and species concentrations, depend on network parameters. In particular it is able to describe how network… …   Wikipedia

• SN2 reaction — The SN2 reaction (also known as bimolecular nucleophilic substitution) is a type of nucleophilic substitution, where a lone pair from a nucleophile attacks an electron deficient electrophilic center and bonds to it, expelling another group called …   Wikipedia

• Hammond's postulate — Hammond s Postulate, also referred to as the Hammond Leffler postulate, is a hypothesis, derived from transition state theory, concerning the transition state of organic chemical reactions, which states that: [Hammond, G. S. A Correlation of… …   Wikipedia