Digestive Enzymes

• What do Digestive Enzymes do?

  1. Convert food into small soluble molecules

  2. Absorbed into the bloodstream
• What does Carbohydrasesbreak down?

  Break down carbohydrates to simple sugars
• Carbohydrase - Amylase - breaks down startch
• What do Proteasesbreak down into?

  Break down proteins to amino acids
• What does Lipasesbreak down into?

  Break down lipids (fats) to glycerol and fatty acids
• How are the Products of Digestion used?

  1. Build new carbohydrates

  2. Build new lipids

  3. Build new proteins

  4. Some glucose used in respiration
• Bile

  • Made in the liver
  • Stored in the gall bladder
  • Alkaline to neutralise hydrochloric acid from the stomach
  • Emulsifies fat to form small droplets
  • Increases surface area
  • Increases rate of fat breakdown by lipase