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catabolism    
n. 异化作用,分解代谢

异化作用,分解代谢

catabolism
n 1: breakdown in living organisms of more complex substances
into simpler ones together with release of energy [synonym:
{catabolism}, {katabolism}, {dissimilation}, {destructive
metabolism}] [ant: {anabolism}, {constructive metabolism}]

Metabolism \Me*tab"o*lism\, n. (Physiol.)
1. The act or process, by which living tissues or cells take
up and convert into their own proper substance the
nutritive material brought to them by the blood, or by
which they transform their cell protoplasm into simpler
substances, which are fitted either for excretion or for
some special purpose, as in the manufacture of the
digestive enzymes. Hence, metabolism may be either
constructive ({anabolism}), or destructive ({catabolism}).
[1913 Webster]

2. (Biol.) The series of chemical changes which take place in
an organism, by means of which food is manufactured and
utilized and waste materials are eliminated.
[Webster 1913 Suppl.]


Disassimilation \Dis`as*sim`i*la"tion\, n. (Physics)
The decomposition of complex substances, within the organism,
into simpler ones suitable only for excretion, with evolution
of energy, -- a normal nutritional process the reverse of
assimilation; downward metabolism; -- now more commonly
called {catabolism}.
[1913 Webster PJC]

The breaking down of already existing chemical
compounds into simpler ones, sometimes called
disassimilation. --Martin.
[1913 Webster]


catabolism \catabolism\ n.
the breakdown of more complex substances into simpler ones
with release of energy, in living organisms; destructive or
downward metabolism; -- a form of metabolism, opposed to
{anabolism}. See also {Disassimilation}. [Formerly spelled
{katabolism}.]

Syn: katabolism, dissimilation, destructive metabolism.
[WordNet 1.5]


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  • Catabolism - Wikipedia
    Catabolism is the breaking-down aspect of metabolism, whereas anabolism is the building-up aspect Cells use the monomers released from breaking down polymers to either construct new polymer molecules or degrade the monomers further to simple waste products, releasing energy
  • Catabolism | Definition Metabolism | Britannica
    Catabolism, the sequences of enzyme-catalyzed reactions by which relatively large molecules in living cells are broken down, or degraded Energy is released in three phases, the last of which is the tricarboxylic acid (or Krebs) cycle Learn more about the reactions and products of catabolism
  • Anabolism and Catabolism - Definitions and Differences
    Metabolism consists of two sets of biochemical pathways called anabolism and catabolism Anabolism builds complex molecules from simpler ones, while catabolism breaks larger molecules into smaller ones
  • Catabolism - Chemistry LibreTexts
    Catabolism is the biochemical processes of metabolism by which molecules are broken down Often catabolism is an oxidative process in which carbons have hydrogen atoms removed
  • Catabolism - an overview | ScienceDirect Topics
    Catabolism is defined as the biochemical process involving the breakdown of complex molecules into simpler ones, which is interconnected with metabolic pathways such as energy metabolism and lipid synthesis
  • Catabolism Definition and Examples - Biology Online Dictionary
    Catabolism is the branch of the metabolic process that breaks down complex, big molecules into smaller ones, yielding energy It is the destructive branch of the metabolism that results in the release of energy
  • Catabolism - illustrated-glossary. nejm. org
    NEJM: Illustrated Glossary The enzymatic breakdown or degradation of large molecules, such as proteins, lipids, and, carbohydrates into their constituent parts, such as amino acids, fatty acids, and sugars, respectively Catabolic pathways release energy and usually generate ATP and reducing equivalents such as NADH Conversely, anabolism is a constructive process, in which energy is used to
  • Introduction to metabolism: Anabolism and catabolism
    Anabolism is the process of building up larger, more complex molecules from smaller ones This process requires energy Catabolism is the process of breaking down larger molecules into smaller ones This process releases energy that can be used by the organism
  • What is Catabolism? - BYJUS
    Catabolism is the breakdown of complex substances to their constituent parts (glucose, amino acids and fatty acids) which form substrates for metabolic pathways
  • Catabolism - Definition, Types, Example, Stages, Causes More
    Catabolism refers to the set of metabolic pathways that break down complex molecules into simpler ones, releasing energy and providing building blocks for anabolic processes





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