AS enzyme summary

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  • Created by: 08rmorris
  • Created on: 31-03-15 11:29
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  • AS Enzyme summary
    • Carbohydrase (amylase, maltase, sucrase and lactase)
      • Function (substrate/product)
        • Carbohydrase is an enzyme that catalyzes the breakdown of carbohydrates into simple sugars.
      • Where found
        • Carbohydrases are produced in the pancreas but act in the stomach breaking down carbohydrates, they also are released in the salivary glands and in the small intestines
      • Relevant topics
        • Digestive system
    • Lipase
      • Function
        • lipase is an enzyme that catalyses the  hydrolysis of fats (lipids),
          • Lipases perform essential roles in the digestion, transport and processing of  dietary lipids (e.g. triglycerides, fats, oils) in  most, if not all, living organisms.
      • Where found
        • Lipase is primarily produced in the pancreas  but is also in the mouth and stomach
      • Relevant topics
        • Digestive system
    • Protease
      • Function
        • A protease (also called peptidase or proteinase) is any enzyme that performs proteolysis, that is, begins protein catabolism by hydrolysis of the peptide bonds that link amino acids together in a polypeptide chain.
      • Where found
        • protease is released from the pancreas and breaks down proteins in your stomach
      • Relevant topics
    • DNA ligase
      • Function
        • DNA ligase facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.
      • Where found
        • Found in the nucleus
      • Relevant topics
        • Replication of DNA
        • In vivo cloning
    • DNA polymerase
      • Function
        • The main function of DNA polymerase is to make DNA from nucleotides.
          • There are several forms of DNA polymerase that play a role in DNA replication and they usually work in pairs to copy one molecule of double-stranded DNA into two new double stranded DNA molecules.
      • Where found
        • Found in the nucleus
      • Relevant topics
        • Replication of DNA
        • In vitro cloning
          • PCR
    • DNA helicase
      • Function
        • DNA helicase continues to unwind the DNA forming a structure called the replication fork during replication
      • Where found
        • Within the nucleus
      • Relevant topics
        • Replication of DNA
    • Penicillinase
      • Function
        • hydrolyze and inactivate penicillin and are used in medicine to treat allergic reactions to penicillin
      • Where found
        • the cytoplasm of bacteria cells
      • Relevant topics
        • Antibiotic resistance
        • Gene transmission

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