BIO132Lab7Digestion.pdf - BIO132 Lab 7 Exercise 39A/39...

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Digestion = hydrolysis reactions involving enzymes (enzymes = biological catalysts) -a specific enzyme acts on a specific substrate using water to break chemical bonds resulting in particular products -the specificity is based on the active site of the enzyme; a space in folded protein structure where the substrate will fit and bind -enzymes are usually named for their substrate and end in “-ase” BIO132 Lab 7: Exercise 39A/39 Chemical Processes of Digestion Cofactor Figure 39A.1 / 39.1 Lipid emulsification by bile (mix) Fats and oils + bile --------------------------> emulsified fats (tiny droplets suspended in water) allows easier access by water-soluble enzymes *NOT digestion! Figure 39A.1 / 39.1 Enzymes are biological catalysts, proteins that function to “speed up” chemical reactions by holding substrate in the active site. Enzymatic reactions can be impacted by environmental conditions: -Enzymes have optimal temperatures and pH for their activity.
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  • Fall '11
  • Enzyme, Benedict, Amy Warenda Czura, SCCC

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