Friday, January 26, 2007

Friday, January 26, 2007 - Energy Fat 2x amount of energy...

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Energy Fat 2x amount of energy as carbohydrates. And 3x the amount from protein. Advantages of lipids over carbohydrates Twice as much energy from fat. Stored without water 1 g of glycogen is stored with 2 to 5 g of water. (Disadvantage – not as rapidly mobilized as carbohyhdrates) Lipds metabolized in the mitochondria in the presence of O 2 Examples Camel Up to 20% of body mass is fat when food is plentiful. Subcutaneous fat would cause thermoregulatory problems. Bears When they hibernate. 100 days without eating. Human Normal weight – 40 day reserve of energy due to lipid. Moderately obese – up to a year. Nucleic Acids Nitrogenous heterocyclic bases. Pentose sugar Phosphoric acid Examples o Coenzymes ( NAD, NADP, FAD)
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o Genetic material (DNA and RNA) o ATP Proteins Excellent example of a polymer Made of amino acids o 20 naturally occurring amino acids are L-isomers. o
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This note was uploaded on 04/07/2008 for the course BIOL 1201 taught by Professor Wishtichusen during the Spring '07 term at LSU.

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Friday, January 26, 2007 - Energy Fat 2x amount of energy...

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