Chapter 6

Chapter 6 - Chapter 6- An Introduction To Metabolism I....

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Chapter 6- An Introduction To Metabolism I. Metabolic Pathways Metabolism includes the thousands of precisely coordinated, complex, efficient, and integrated chemical reactions in an organism. These reactions are ordered into metabolic pathways, Catabolic pathways release the energy stored in complex molecules through the breaking down of these molecules into simpler compounds while anabolic pathways require energy to combine simpler molecules into more complicated ones. The study of energy transformations is known as bioenergetics. II. Organisms Transform Energy Energy is the capacity to do work, to move matter against an opposing force, to rearrange matter. Kinetic energy is the energy of motion, of matter that is moving. Potential energy is the capacity of an organism to do work as a consequence of its location or arrangement. Energy can be converted from one form to another. Thermodynamics is the stud of energy transformations. The first law of thermodynamics states that energy can neither be created nor destroyed. Energy can be transferred between matter and transformed from one kind to another. The second law of thermodynamics states that every energy transformation or transfer results in increasing order within the universe. Entropy
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This note was uploaded on 04/07/2008 for the course BIO 110 taught by Professor Moon during the Fall '08 term at Union.

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Chapter 6 - Chapter 6- An Introduction To Metabolism I....

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