Enzymes Review

A chemical reaction is a process that changes one set of chemicals, the reactants into another set of chemicals, the products.Every chemical reaction needs energy to get started, and that starting energy is called the activation energy.A catalystis a substance that speeds up the rate of a chemical reaction. Catalysts work by loweringthe reaction’s activation energy. Enzymes are proteinsthat act as biological catalysts. Enzymes speed up chemical reactions by lowering activation energies.In an enzyme-catalyzed reaction, the reactant is known as the substrate. The substrate binds to a site on the enzyme called the active siteEnzymes are specificfor each reaction and are reusable.If the environment because unfavorable for the enzymes, the active site can be destroyed so that the substrate no longer fits. If this instance, the enzyme has being denatured. Label the Parts Identify the active site, enzyme, and substrate (use all lower case letters) substrate active site enzyme The item labeled A in the diagram below is the... reactant product active site enzyme The item labeled C in the diagram below is the... reactant product active site enzyme The item labeled D in the diagram below is the... reactant product active site enzyme Review the Graphs below to answer the following question:At what temperature range is enzymeA working the best? 0 - 20 degrees C 60 - 80 degrees C between 1 -3 around 45 and 0 degrees C 20 - 40 degrees C Review the Graphs below to answer the following question:At what temperature range is enzyme B working the best? 0 - 20 degrees C 60 - 80 degrees C between 1 -3 around 45 and 0 degrees C 20 - 40 degrees C Review the Graphs below to answer the following question:At what temperature would enzymeA be denatured(ineffective)? 0 - 20 degrees C 60 - 80 degrees C between 1 -3 around 45 and 0 degrees C 20 - 40 degrees C Review the Graphs below to answer the following question:Which enzyme would work better in our very acidic stomachs? A B Review the Graphs below to answer the following question:At what pH is enzyme A working in optimal condition? 2 0 3 1 Review the Graphs below to answer the following question:At what pH is enzyme B working at optimal condition? 7 8 10 6 Review the Graphs below to answer the following question:At what pH values are both enzymes A B ineffective (denatured)? 2 8 1 7 3 9 4 5 Experiments were designed to study the effect of pH on the rate of enzyme action for 2 different enzymes found in animals, Enzyme A and Enzyme B. Enzyme A is found in the stomach and digests meats. Enzyme B is found in the intestine and digests facts. Use the graph to answer the following questions:Since Enzyme A is found in the stomach, what is the probable pH of the stomach? 3 7 2 8 Experiments were designed to study the effect of pH on the rate of enzyme action for 2 different enzymes found in animals, Enzyme A and Enzyme B. Enzyme A is found in the stomach and digests meats. Enzyme B is found in the intestine and digests facts. Use the graph to answer the following questions:Since Enzyme B is found in the intestine, what is the probable pH of the intestine? 3 7 2 8 Experiments were designed to study the effect of pH on the rate of enzyme action for 2 different enzymes found in animals, Enzyme A and Enzyme B. Enzyme A is found in the stomach and digests meats. Enzyme B is found in the intestine and digests facts. Use the graph to answer the following questions:If Enzyme A were produced in the intestine, would this enzyme still carry out its usual function of digestions? Yes, because the inestines pH value is about 7-8 and Enzyme A is working at about 40% at that value. Yes, because the inestines pH value is about 2-3 and Enzyme A is working at about 90% at that value. No, because the inestines pH value is about 7-8 and Enzyme A is working at about 0% and possibly denautured. No, because the inestines pH value is about 2-3 and Enzyme A is working at about 0% and possibly denautured.