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Food and digestion

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  • Describe one method that could be used to test for fats?
    Grease on brown paper, or using ethanol
  • Which of the following foods would you expect to be positive for starch? Sweets, Cheese, Ham or potatoes?
    Potatoes
  • What would i use to test for glucose?
    Benedicts solution
  • Iodine turns what colour if starch is present?
    Blue-Black
  • Describe difference between starvation and malnutrition?
    Starvation is lack of food, malnutrition is lack of the right foods.
  • Which of the food tests need heated?
    Benedicts reagent
  • Which of the food tests NEED to be heated?
    Benedicts reagent.
  • the ileum is the scientific name for what?
    Small intestine
  • Which vitamin do you need to be lacking to get scurvY?
    Vitamin C
  • Bread, cereal, oats, pasta are very high in
    carbohydrates
  • the colon is the scientific name for what?
    Large intestine
  • What is the colour change for biuret solution?
    Blue to purple
  • Anaemia is caused by a lack of which mineral?
    Iron
  • What would I use to test for protein?
    Biruet reagent
  • After your food travels down the oesophagus, where does it go?
    Stomach
  • Why do we need iron in our bodies?
    It produces the blood proteins
  • why are fats needed in the body?
    Insulation and protection of vital organs
  • What would i use to test for starch?
    Iodine
  • Define DIGESTION
    Digestion is the breaking down of large insoluble molecules into small soluble substances.
  • Where is the first place in chemical digestion?
    Mouth - starch begins to break down in the mouth due to the enzyme in your saliva (Amylase)
  • what is the colour change for benedicts solution?
    Blue to brick red
  • Why is fibre important in our diets?
    Healthy digestive system, bulk to faeces
  • Rickets is caused by a lack of which vitamin
    Vitamin D
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