Properties and Use of Enzymes


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1. In washing detergents, digestive enzymes (e.g.___________) are used to catalyse the breakdown of stains that are otherwise hard to remove

  • Proteases, lipids and carbohydrases
  • Lipases, proteases and carbohydrases
  • Amylases, proteases and lipases
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2. Grass stains (proteins) are broken down by

  • Proteases
  • Lipases
  • Amylases
  • Carbohydrases

3. Enzymes have many commercial uses, such as

  • Biological washing detergents
  • Food preservation

4. Without enzymes, the wash would have to be carried out at a _____ temperature, which would require more energy

  • Higher
  • Lower

5. The temperature which causes the denaturation of an enzyme...

  • Can vary
  • Stays the same
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