BIOL130L Study Guide - Quiz Guide: Maltose, Iodine Test, Sodium Fluoride

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See the effect that enzyme concentration has on reaction time and the effect that substrate concentration has on enzyme reaction. Biological catalysts (remember from chem 123 what a catalyst does) Specific in their action (specificity is determined not only by amino acid order, but also by 3-d conformation) Proteins (except for a small subset of enzymes which are called ribozymes) Enzymes combine with a substrate to form a substrate-enzyme complex, which then breaks down into the enzyme again (which is unaltered!) and the product: o. Substrate + enzyme -> substrate-enzyme complex -> product + enzyme. Here are some factors which affect the rate at which the enzyme converts the substrate into the product: o o o o o o. As for the direction of the reaction, all enzyme-mediated reactions are theoretically reversible, but the direction which the reaction actually goes in depends on the conditions under which the reaction is taking place.

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