Enzymes Review Worksheet: Understanding Enzymes and Their Role in Chemical Reactions, Assignments of Environmental Science

Download Enzymes Review Worksheet: Understanding Enzymes and Their Role in Chemical Reactions and more Assignments Environmental Science in PDF only on Docsity! Name:……………………………………………………. Date: …………………… Enzymes Review Worksheet 1. a) Fill in the gaps in the following sentences using the words in the box below. i) Enzymes are biological …Catalysts……………… that speed up chemical reactions in living organisms. ii) Enzymes are protein molecules, which are made up of long chains of …Amino Acids……...………. iii) The sequence and type of amino acids are …Different……………… in each protein, so they produce enzymes with many different shapes and functions. iv) The shape of an enzyme is very important to its …Function………………. b) Enzymes catalyze many important chemical reactions in the human body. Name one of these chemical reactions. …………………Digestion of food …………………………………………………………………………………… c) Label the image below with the following terms: active site, substrate, enzyme. 1. a) Enzymes and their substrates are often compared to a lock and key. This is called the Lock and Key Model. Label the lock and key in the image above. 1 + different catalysts function the same amino acids Substrate …Active Site…………..... …Enzyme…….. …....... Name:……………………………………………………. Date: …………………… 2. b) Explain what would happen if a substrate molecule with a different shape to the enzyme came into contact with the enzyme’s active site. ……The reaction would not occur or the reaction would not work as completely ………………………………………………………………………………………………… ……………………………………………………………………………………………………… ……………………………………………………………………………………………………… c) Explain what would happen to a substrate molecule if it came into contact with an enzyme’s active site that matched its specific shape. Use the space below to draw and explain what would happen. Use the following terms in your answer: products, enzyme, substrate, active site. d) There are many factors that affect the rate of enzyme-catalyzed reactions, including temperature. Name two other factors. 2