Enzymes and Digestion quiz

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1. What is the function of bile?

  • It is and alkaline that neutralises acidic conditions in the small intestine.
  • It helps break down fatty acids in the stomach.
  • It is used in the mouth to break down sugars in the mouth.
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2. Which 2 factors can alter the shape of an enzyme?

  • Volume of water and temperature
  • pH and temperature
  • Carbon Dioxide concentration and pH

3. Why are proteases used in baby foods?

  • The protease pre-digests protein so the baby can digest it more easily
  • To make the food taste better for the baby.

4. Why do biological washing powders work more efficiently than non-biological powders?

  • Enzymes slow down digestion of food stains.
  • They work at a lower temperature.
  • They need high temperatures to work.

5. Give one types of reaction controlled by enzymes in the cells.

  • Large molecules to small molecules (Either way)
  • The reaction of proteins converting into amino acids
  • All the reactions in the cytoplasm

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