Bio 206 Chapter 5 Definitions

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metabolism

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The sum of all chemical reactions in a living organism.

Divided into two part: catabolism and anabolism

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catabolism

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Enzyme related chemical reactions that release energy (usually in catabolism.

The breakdown of complex organic compounds into simpler ones.

These processes are called catabolic or degradative.

These are usually hydrolitic reactions (reactions that use water and in which chemical bonds are broken), and are exergonic (produce more energy than they consume)

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hydrolitic

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Reactions that use water and and in which chemical bonds are broken.

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exergonic

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reactions that produce more energy than they consume.

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Catabolism processes

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catabolic, degeradative, hydrolitic, exergonic

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anabolism

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enzyme regulated reactions are mostly involved in anabolism, the building of complex organic molecules from simpler ones. These reactions are called anabolic, or biosynthetic, reactions. Anabolic processes often involve dehydration synthesis (reactions that release water), and they are endergonic (consume more energy than they produce). Building of proteins from amino acidsn nucleic acids from nucleotides...

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dehydration synthesis

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reactions that release water

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endergonic reactions

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reactions that consume more energy than they produce.

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Anabolic process terms

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dehydration synthesis, endergonic reations

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ATP

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adenosine triphosphate

Stores energy made during catabolic reactions and releases it later to drive anabolic reactions and perform other cellular work.