PPT-Enzymes Web Quest Enzymes are proteins that speed up chemical reactions in the body.

1 What are enzymes Each enzyme has only one specific reaction it can perform 2 How many different reactions can a single enzyme perform Yes the same enzyme molecule can be used over and over. WHY More teens die from car crashes than any other cause and the first year is the most dangerous WHEN 64 National Teen Driver Safety Week October 1524 2014 WHO High school students age 14 along with their schools communities friends and families u Chemical change. . Reactions with acid. . Reactions with oxygen . 7F. 7F Simple chemical reactions. Chemical change. . 7F Simple chemical reactions. 7F Chemical change – Changing materials. How many different materials can you see in this bedroom?. Warm up. Grab warm up and complete. We will be putting this into your . journal. When you are done with your warm up look over your Vocab 1-1, you have a . quiz today. Biomolecule review. Cellulose, a structural component of the cell wall of plants and some forms of algae, is mainly used to produce paper and cardboard products. Cellulose would be an example of which type of biomolecule. Enzymes speed up chemical reactions.. Everything that happens in a cell. Growth. Reproduction. Interaction with the environment. Response to stimuli. Is the result of a chemical reaction.. A chemical reaction is a change in the arrangement. Add the new notes to your . table of contents. , and then turn to the next clean page and set up your title and date. Tape the two slides into your INB flat down, directly under your title - they do not need to flip up. protein. !. Enzymes are . Biological . catalysts . that . increase. . the rate of metabolic reactions.. Since enzymes speed up chemical reaction rates, what are they called?. Catalyst- . A substance . The Digestive System. Amazing Facts . . We make 1-3 pints of saliva a day.. The average male will eat about 50 tons of food to sustain weight of 150 pounds. A horse’s intestines are about 89 feet long. Chemical Reactions. A . chemical reaction . is a process that changes, or transforms, one set of chemicals into another by changing the chemical bonds that join atoms in compounds. . @Mass and energy are conserved during chemical transformations.@. Enzyme & Substrate. An enzyme is a globular protein which acts as a biological catalyst by speeding up the rate of chemical reactions. . Enzymes are . NOT. changed or consumed by the reactions they catalyze and thus can be reused. . The key words are emphasized in bold . and there is a list of them at the end of the presentation. . Chemical Reactions. When a chemical reaction occurs, new substances (called . products. ) form from the substances taking part in the reaction (called . Enzymes. Back when we discussed proteins, we learned that one critical function of protein was to speed up chemical reactions.. Enzymes. are the proteins that increase the rate of chemical reactions. In order for chemical reactions to take place, . enzymes . must be present to help . speed up . the reaction.. Chemical bonds connect atoms. to make . molecules. .. Chemical . reactions. can do two things:. Write your answer in your. . science journal.. Quiz. 1. How . many molecules of oxygen gas in the reactant (O. 2. ) are needed to balance this equation?. CH. 4. + O. 2. → 2CO. 2. + 4H. 2. O. Today’s Objectives. Describe a general enzyme-catalyzed reaction. Discuss the relation of temperature and pH to rate of reaction in an enzyme-catalyzed reaction. Explain how chemical reactions are affected by enzymes.