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Anabolism
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pathways in the biosynthesis of steroid hormones Diagram showing metabolic pathways for amino acid biosynthesis, divided into families: glutamate, aspartate, serine, pyruvate, shikimate, and histidine. Amino acids, underlined to indicate protein components, branch from intermediate compounds, with arrows showing synthesis relationships. Some intermediates and side products are labeled, and related amino acids are grouped by precursor molecules. Diagram illustrating metabolism with two sections: anabolic reaction on the left shows energy used to build larger molecules from smaller ones, while catabolic reaction on the right shows larger molecules breaking down into smaller molecules with energy released. A biochemical pathway diagram showing the catabolism and biosynthesis of glucose and glycogen, with glucose breakdown reactions on the left and synthesis reactions on the right, interconnected by labeled arrows and chemical intermediates. A stepwise biochemical pathway diagram showing the biosynthesis of purine nucleotides, with labeled molecular structures and arrows indicating the conversion from ribose 5-phosphate through several intermediates to inosine acid, then branching to form adenylate (AMP) and guanylate (GMP); ATP and other cofactors are shown at key steps.
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Muscles of facial expression, human anatomy, (Netter replacement project - SSC). Human face, human head.
Characteristics of the Human Body

Anabolism: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Nov 11, 2026
Modified link of Web site: Healthline - Catabolism vs. Anabolism: What’s the Difference? Apr 08, 2026
Add new Web site: Healthline - Catabolism vs. Anabolism: What’s the Difference? Jul 12, 2019
Add new Web site: National Center for Biotechnology Information - PubMed Central - Nutrition, Anabolism, and the Wound Healing Process. Jun 06, 2016
Added an illustration showing the major pathways involved in the biosynthesis of steroid hormones. Dec 23, 2014
Article added to new online database. Jul 20, 1998
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