A protein is a large molecule found in cells. The unique structure of a protein determines its function. Enzymes are proteins that speed up chemical reactions, helping transform one substance into another. The enzyme amylase, found in saliva, changes starch into sugar. In this activity you will experience how this transformation occurs.
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From The Science Teacher's Activity-A-Day. Copyright © 2010 by Johh Wiley & Sons, Inc. All Rights Reserved.
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