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Digestion Enzymes and Food tests

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  • What is the food test for Carbohydrates?
    Iodine
  • Which organ stores Bile?
    Gall bladder
  • Biuret is a food test for protein what colour is it originally and what colour does it go for a positive test
    Blue to Purple/lilac
  • What is the name of the acid in the stomach
    Hydrochloric
  • What temperature do all human enzymes work most efficiently at?
    37 degrees Celsius
  • What 2 main factors can cause enzymes to Denature?
    Temperature and PH
  • Fat is broken down to two useful products for the body
    Glycerin and Fatty Acids
  • Where is most of the absorption happening (in which organ)
    Small Intestine
  • What is the part of the enzyme called which does the work of breaking down a substrate?
    Active Site
  • What are the 2 processes are involved in absorption of the nutrients into the Bloodstream
    Active Transport and Diffusion
  • Which 2 ways does the mouth start to break down food
    Mechanically by the teeth and the salivia to moisten (amylase)
  • Glucose is needed for which process? _________
    Respiration
  • Which enzyme is responsible for breaking down carbohydrates
    Amylase
  • What is the food test for fat?
    Ethanol
  • What is the Enzyme responsible for breaking down fat?
    Lipase
  • Which organ produces some of the Enzymes we use to break down food in the Small intestine?
    Pancrease
  • What theory is accepted for enzymes to break down food molecules?
    Lock and Key
  • Protein is broken down to _______ _______
    Amino Acids
  • What are the 2 main functions of bile?
    To break down fat (before Lipase) and to Neutralise stomach acid
  • What are the finger like cells that help in absorption?
    Villi
  • Approx what is the PH of the Stomach
    Between 1-3
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