8671455
Description
Flashcards by Siúbhán Conlon, updated more than 1 year ago
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Created by Siúbhán Conlon
over 7 years ago
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| Question | Answer |
| Name 5 common elements found in food | Carbon (C) Hydrogen(H) Oxygen(O) Nitrogen(N) Sulfur(S) Phosphorus(P) |
| Define 'Monosaccharide' | Carbohydrate made of a single sugar unit Soluble in water E.g Glucose, Fructose |
| Define 'Disaccharide' | Carbohydrate made of two sugar units Soluble in water E.g Maltose, Sucrose |
| Define 'Polysaccharide' | Carbohydrate made of many sugar units Insoluble in water (only slightly soluble) E.g Starch, Cellulose, Glycogen |
| What elements are found in Carbohydrates? | Carbon(C) Hydrogen (H) Oxygen(O) |
| In what ratio do the most common elements in carbohydrates appear? | Cx(H2O)y |
| Name 3 sources of carbohydrates in our diet | Bread Potatoes Rice |
| Name a structural role of carbohydrates | Cellulose is used to form plant cell walls |
| How do fats and oils differ? | Fats are solid lipids at room temperature Oils are liquid lipids at room temperature |
| How are triglycerides structured? |
One molecule of glycerol linked to three fatty acid molecules
Image:
Image010 (image/png)
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| How are phospholipids structures? |
One glycerol molecule linked to two fatty acids and one phosphate group
Image:
Image011 (image/jpeg)
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| Name 3 sources of lipids in our diet | Butter Cream Oil |
| What are some structural roles of lipids? | 1. Important stores in plants and animals 2.Heat insulation and organ protection 3. Phospholipids and lipoproteins are both important in the structure of cell membane |
| What are the most common elements found in proteins? | Carbon, Hydrogen, Oxygen, Nitrogen, Sulfur, Phosphorous |
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