BIOL 1201 Lecture Notes - Lecture 9: Deamination, Trypsin, Activation Energy

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8 Dec 2015
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The energy is needed to build and maintain the cell and make and keep ion gradients. Cellular respiration: drives the cellular economy by extracting the energy stored in sugars and other fuels. -cells use cellular respiration to perform various types of work (such as transporting solutes across plasma membrane) Metabolism: the totality of an organism"s chemical reactions. It is also an emergent property of life that arises from orderly interactions between molecules. *picture metabolism as an elaborated road map of the thousands of chemical reactions that occur in the cell. Metabolic pathway: starts with a specific molecule, then begins a series of steps, resulting to a certain product. *this regulates enzymes while balancing metabolic supply and demand. As a whole, metabolism manages the material and energy resources of the cell. Catabolic pathway: a metabolic pathway that releases energy by breaking down complex molecules to simpler compounds.

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