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SLSBio12Enzyme SM

SLS Bio12 Enzyme SM

TermDefinition
Activation Energy the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
Biochemical Reaction The transformation of one molecule to a different molecule inside a cell. Biochemical reactions are mediated by enzymes, which are biological catalysts that can alter the rate and specificity of chemical reactions inside cells.
Coenzyme A small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes.A cofactor molecule that helps an enzyme catalyse a particular reaction by binding with it.
Competitive Inhibitor inhibitor that occupies the active site of an enzyme or the binding Site of a receptor and prevents the normal substrate from binding.
Enzyme molecules that catalyze (increase the rates of) chemical reactions.
Enzyme Activity the catalytic effect exerted by an enzyme, expressed as units per milligram of enzyme or as molecules of substrate transformed per minute per molecule of enzyme
Enzyme Concentration How much of the enzyme is present in any given solution.
Heavy Metal A metal of relatively high density.
Induced Fit Model A model for enzyme-substrate interaction to describe that only the proper substrate is capable of inducing the proper alignment of the active site that will enable the enzyme to perform its catalytic function
Metabolism the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available.
Non-Competitive Inhibitor Enzyme inhibition in which the inhibiting compound does not compete with the natural substrate for the active site on the enzyme but inhibits reaction by combining with the enzyme-substrate complex after the complex is formed.
pH it is a measure to determine the acidity or alkalinity of a solution or a substance.
Substrate a molecule upon which an enzyme acts. Enzymes catalyze chemical reactions involving the substrate(s). In the case of a single substrate, the substrate bonds with the enzyme active site, and an enzyme-substrate complex is formed.
Substrate Concentration the number of substrate molecules in a solution
Thyroid A butterfly-shaped endocrine gland in the neck that is found on both sides of the trachea (windpipe). It secretes the hormone thyroxine which controls the rate of metabolism.
Thyroxin Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells
Vitamins An essential low molecular weight organic compound required in trace amounts for normal growth and metabolic processes. They usually serve as components of coenzyme systems.
Created by: Smorrison
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