Question set 1

Question set 1 - Hank Greene Question Set 1 1. A fat is...

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Hank Greene Question Set 1 1. A fat is made up of two smaller molecules; Glycerol and a fatty acid joined by a dehydration reaction. Fatty acids are hydrophobic because the bonds between hydrogen and carbon are non-polar, so they repel polar water molecules. Fatty Acid: 2. Because the hydrocarbons in fats: a. Have less water b. Are more compact c. And allow fats to store twice as much energy as polysaccharides do. d. Act as padding and insulation in animals’ bodies And since animals have to carry their energy around with them, fats are a better way to do this. 3. Animal fats are mostly saturated, which allows them to form as a solid at room temperature. Plant fats are called oils, and because of a double carbon bond in the fatty acid chains, they are kinked and cannot get as close together as animal fats can, oils are usually liquids. 4. Cholesterol is a steroid, it’s used in animal cell membranes and is the base for other steroids to be synthesized from. LDL stands for Low-density lipoproteins,
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This note was uploaded on 03/30/2008 for the course EBIO 1210 taught by Professor Demmig-adam during the Fall '07 term at Colorado.

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Question set 1 - Hank Greene Question Set 1 1. A fat is...

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