Lab4Enzymes-2 - Pectin and pectinase Pectin is a complex...

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Enzymes
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Enzymes are… Biological catalysts Essential to metabolism Metabolism reactions are either anabolic or catabolic Anabolic (energy storage, tissue building) Catabolic (release of energy) + = + =
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Important facts: Enzymes are proteins, identified by the suffix “- ase”. Speed up biological reactions that happen in living things and allow them to happen under mild environmental conditions. They are not “used up” or changed as an end result of catalysis. They reduce the energy needed for a reaction to occur. Any given enzyme has a very specific purpose
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“Lock and Key” Model
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Today’s Lab Importance of enzymes in: Food production industry Cooking Household products
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Unformatted text preview: Pectin and pectinase Pectin is a complex polysaccharide in fruit Retains water, gives fruit gel-like qualities Enemy of juicing, friend of jelly and jam-making Pectinase breaks apart pectin, allows more liquid to drain We will compare effectiveness of juice extraction from fruit pulp with: water alone with pectinase **Part A Pectin and pectinase Proteases Used in meat tenderizers and laundry detergent Proteases break apart ________. Experimental Design: Effectiveness of Proteases Photographic film is coated with gelatin, a protein Enzymes will break apart gelatin, clear film **Part B and C...
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Lab4Enzymes-2 - Pectin and pectinase Pectin is a complex...

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