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  2. Metabolic pathway - Wikipedia

    en.wikipedia.org/wiki/Metabolic_pathway

    The degradative process of a catabolic pathway provides the energy required to conduct the biosynthesis of an anabolic pathway. [6] In addition to the two distinct metabolic pathways is the amphibolic pathway, which can be either catabolic or anabolic based on the need for or the availability of energy. [7]

  3. Amphibolic - Wikipedia

    en.wikipedia.org/wiki/Amphibolic

    The citric acid cycle (Krebs cycle) is a good example of an amphibolic pathway because it functions in both the degradative (carbohydrate, protein, and fatty acid) and biosynthetic processes. [2] The citric acid cycle occurs on the cytosol of bacteria and within the mitochondria of eukaryotic cells.

  4. Catabolism - Wikipedia

    en.wikipedia.org/wiki/Catabolism

    Catabolism (/ k ə ˈ t æ b ə l ɪ z ə m /) is the set of metabolic pathways that breaks down molecules into smaller units that are either oxidized to release energy or used in other anabolic reactions. [1]

  5. Nucleotide salvage - Wikipedia

    en.wikipedia.org/wiki/Nucleotide_salvage

    A salvage pathway is a pathway in which a biological product is produced from intermediates in the degradative pathway of its own or a similar substance. The term often refers to nucleotide salvage in particular, in which nucleotides ( purine and pyrimidine ) are synthesized from intermediates in their degradative pathway.

  6. Thiolase - Wikipedia

    en.wikipedia.org/wiki/Thiolase

    Thiolases are a family of evolutionarily related enzymes.Two different types of thiolase [4] [5] [6] are found both in eukaryotes and in prokaryotes: acetoacetyl-CoA thiolase (EC 2.3.1.9) and 3-ketoacyl-CoA thiolase (EC 2.3.1.16). 3-ketoacyl-CoA thiolase (also called thiolase I) has a broad chain-length specificity for its substrates and is involved in degradative pathways such as fatty acid ...

  7. Fatty acid metabolism - Wikipedia

    en.wikipedia.org/wiki/Fatty_acid_metabolism

    The two pathways are distinct, not only in where they occur, but also in the reactions that occur, and the substrates that are used. The two pathways are mutually inhibitory, preventing the acetyl-CoA produced by beta-oxidation from entering the synthetic pathway via the acetyl-CoA carboxylase reaction. [ 1 ]

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    mail.aol.com

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  9. Proteasome - Wikipedia

    en.wikipedia.org/wiki/Proteasome

    The proteasomal degradation pathway is essential for many cellular processes, including the cell cycle, the regulation of gene expression, and responses to oxidative stress. The importance of proteolytic degradation inside cells and the role of ubiquitin in proteolytic pathways was acknowledged in the award of the 2004 Nobel Prize in Chemistry ...