Biochemistry and the digestive system
About this set
Created by:
tands on September 23, 2009
Subjects:
Classes:
Biology Group, The Marching Band, DRHS Studdy Geks
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20 terms
Terms | Definitions |
|---|---|
 lock and key model | The model of the enzyme that shows the substrate fitting perfectly into the active site is called the |
| Biuret's test | test for proteins positive-if it turns purple |
| Benedict's test | Tests for presence of carbohydrates, changes blue to red when heated |
| iodine test | tests for starch result: turns sample Blue/Black if starch is present |
| Lipids test | rub in on a peice of brown paper bag and rub it in....if you can see through then its fatty |
| functions of lipids | 1. membrane structure; 2. energy storage; 3. hormones; 4. vitamins, second source of energy, insulate the body, protects the internal organs |
| fatty acids | A long carbon chain carboxylic acid. Fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat. |
| hydrophobic | lacking affinity for water |
| hydrophilic | having a strong affinity for water |
| saturated fats | animal products, meat butter cheese and in palm and coconut oils. May elevate blood cholesterol. |
| Unsaturated fats | plan products such as vegetable oil, nuts,m and seeds, and in fish. Unsaturated fats tend to lower blood cholesterol levels |
| Dog | a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times |
| cat | feline mammal usually having thick soft fur and being unable to roar |
| horse | solid-hoofed herbivorous quadruped domesticated since prehistoric times |
| eminem | A famous rapper who rose to fame rapping on the roughs of his childhood. He is one of the only white rappers in the world, his reall name is Marshal mathers, in which he used to get the initals M&M, later Eminem, and then knewly called Slim Shady. |
| Glycerol | Three-carbon compound with three hydroxyl groups; component of fats and oils. |
| Triglycerides | long term energy storage molecules formed during condensation synthesis between 3 fatty acids and one molecule of glycerol |
| phospholipids | A molecule that is a constituent of the inner bilayer of biological membranes, having a polar, hydrophilic head and a nonpolar, hydrophobic tail. |
| waxes | type of structural lipid; long fatty acids chain bonded to long alcohol chain; highly waterproof; in plants and animals. |
| steroids | lipids whose carbon skeleton is bent to form four fused rings. These all have the same ring pattern: three six-sided rings and one five-sided ring. |
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