vine a discutir unos asuntos I came to discuss several matters o issues; no sÃ© nada de ese asunto I don't know anything about it o the matter; el asunto de los impuestos divide al gobierno the government is divided on the matter o question o issue of taxes; hemos tratado el asunto de nuestro divorcio we've talked about the subject of our divorce; ...
The Role of Enzymes in Living Organisms. Enzymes are macromolecules that catalyze chemical reactions within a living organism. Most are proteins, but there are also RNA enzymes which aid in protein synthesis.
59 Experiment 10 â Enzymes Enzymes are proteins that act as catalysts for biological reactions. Enzymes, like all catalysts, speed up reactions without being used up themselves. They do this by lowering the activation energy of a reaction. All biochemical reactions are catalyzed by enzymes. Since enzymes are proteins, they can be denatured in a variety of ways, so they are most active under mild conditions.