Biomolecules and the Biochemistry of Food
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| show | Copper, Zinc and Iron
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| show | Potassium, Calcium, Sodium, Magnesium and Chlorine
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| show | Biomolecules are chemicals that are made inside a living thing eg: carbohydrates, lipids, proteins and vitamins
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| show | Carbon, Hydrogen and Oxygen.
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| Explain the word monosaccharides | show 🗑
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| Explain the word disaccharides | show 🗑
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| show | Polysaccharides are made up of many saccharide molecules boned together. They provide us with long term energy. There are 3 types of polysaccharides: Starch, Cellulose and Glycogen.
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| show | Cellulose is a polysaccharide found in plants. It makes up cell walls.It provides us with roughage and prevents constipation. Paper and Cotton are examples. Glycogen is a polysaccharide found in animals. Stores carbohydrates in the liver and muscles.
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| What are lipids? | show 🗑
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| What are the functions of lipids | show 🗑
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| Comment on the composition of proteins | show 🗑
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| What is the function of proteins? | show 🗑
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| Give 2 examples of structural proteins | show 🗑
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| show | Vitamins are organic compounds required in the diet in small amounts for normal biochemical functioning.
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| What are the 2 categories of vitamins? | show 🗑
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| show | Retinol, carrots, healthy retina, night blindness.
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| What is the scientific name, source, function and deficiency disease of Vitamin C? | show 🗑
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| What is the scientific name, source, function and deficiency disease of Vitamin D? | show 🗑
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| What are minerals? | show 🗑
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| What is the function of magnesium and calcium in plants? | show 🗑
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| show | 1: It is an excellent solvents for salts and sugars. 2: It is an excellent transport medium. 3: It has a high heat capacity and helps regulate our body temperature.
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| show | An anabolic reaction is the sticking together of small molecules to create larger ones eg: Photosynthesis.
A catabolic reaction is the breaking down of large molecules into smaller one eg: Respiration.
CRAP: Catabolic Respiration Anabolic Photosynthesis
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| What is the test and colour change for starch? | show 🗑
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| Test for reducing sugars? Colour change for a positive result? | show 🗑
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| Chemical test for protein? Colour change for a positive result? | show 🗑
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| show | Rub some of the food on some brown paper. If a translucent spot remains as it dries lipids are present.
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