HUBS1403 Lecture Notes - Lecture 4: Catabolism, Activation Energy, Chemical Energy

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Lecture 4 introduction to carbohydrates and lipids: define a chemical reaction the interactions of valence electrons are the basis of all chemical reactions. For example, the energy stored in water behind a dam or in a person poised to jump down some steps is potential energy. 2018: describe the functional groups of organic molecules attached to the carbon skeleton are distinctive functional groups, (other atoms or molecules bound to the hydrocarbon skeleton. ) Each type of functional group has a specific arrangement of atoms that confers characteristic chemical properties on the organic molecule attached to it and functions of carbohydrates and lipids. Carbohydrates starches and cellulose body mass mainly as a source of chemical energy for generating atp needed to drive metabolic reactions. 2018: fatty acids are used to synthesis triglyricides and phospholipids / or broken down t o generate atp. Phospholipids have a glycerol backbone and two fatty acid chains attached to the first two carbons.

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