TERMIUM Plus®

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ENZYME CONTROL [1 record]

Record 1 2011-01-10

English

Subject field(s)
  • Biological Sciences
DEF

Regulation of enzyme activity. Enzymes may be regulated at two levels: (1) at the level of gene expression and protein synthesis through induction and repression; (2) at the enzyme level through enzyme inhibition or activation as a result of the binding of effector molecules at allosteric sites on the enzyme.

French

Domaine(s)
  • Sciences biologiques
CONT

Deux mécanismes majeurs sont à la base de la régulation de l'activité enzymatique : le contrôle génétique et le contrôle de la catalyse. Le contrôle génétique fait intervenir un changement dans la quantité totale de molécules enzymatiques. Les exemples les plus connus de cette forme de régulation sont l'induction enzymatique et la répression chez les micro-organismes [...]. Le contrôle de la catalyse fait intervenir un changement dans l'activité enzymatique sans que change la quantité totale de l'enzyme synthétisée.

Spanish

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