Helium.com | Cellular Biology | What are enzymes and what are they used for? http://www.helium.com/knowledge/90636-what-are-enzymes-and-what-are-they-used-for.xml Helium.com > Cellular Biology > What are enzymes and what are they used for? en-us Copyright Helium.com Mon, 05 May 2008 19:39:55 GMT Mon, 05 May 2008 19:39:55 GMT The school definition says that enzymes are biological catalysts. Enzymes are protein molecules. Enzymes increase the rate of reaction in a cell w... http://www.helium.com/items/1663823-what-are-enzymes Fri, 27 Nov 2009 18:50:22