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Topic 1
Lipids and Carbohydrates
| Term | Definition |
|---|---|
| Fats are | solid at room temperature |
| Oils are | liquid at room temperature |
| Elements that make up lipids | C, H, O |
| The ratio of H to O is | more than 2:1 |
| The parts of a Triglyceride | 1 glycerol back bone and 3 fatty acid chains joined by ester bonds |
| The breaking down of a Triglyceride is called | hydrolysis |
| The making of a Triglyceride is called | condensation |
| Saturated lipids have | no carbon-carbon double bonds |
| Unsaturated lipids have | at least 1 double bond |
| The double bond causes | a bend in the molecule, making the molecules lie far apart and liquid at room temperature |
| Cholesterol is a | short chain lipid made from salt fats in the liver |
| LDL is | are bad lipids as they are the main cholesterol carrier in the blood |
| HDL is | are good lipids as they help remove cholesterol from body tissue |
| The 3 monosaccharides are | Glucose, Galactose and Fructose |
| The 3 Diasaccharides are | Fructose + Glucose= Sucrose Galactose + Glucose = Lactose Glucose + Glucose = Maltose |
| The forming of a Disaccharide is called | condensation |
| The 3 Polysaccharides are | Starch, Glycogen and Cellulose |
| Amylose has | 1,4 glycosidic bonds |
| Amylosepectin has | 1,4 and some 1,6 glycosidic bonds |
| Glycogen has | more 1,6 glycosidic bonds than Amylosepectin |