TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

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Record 1 2009-02-16

English

Subject field(s)
  • Biochemistry
  • Molecular Biology
  • Genetics
DEF

An analogue of a purine or pyrimidine base, as aminopurine.

CONT

One of the most powerful base analogue mutagens is 5-bromouracil, an analogue of thymine. It is believed to cause mutations because its hydrogen atom at position 1 is not as firmly fixed as the corresponding hydrogen atom in thymine. Sometimes this hydrogen atom is bonded to the oxygen atom attached to carbon atom 6. When this happens, the 5-bromouracil can pair with guanine.

OBS

This phenomenon can lead to incorrect base pairing.

French

Domaine(s)
  • Biochimie
  • Biologie moléculaire
  • Génétique
DEF

Molécule de structure voisine de celles des bases azotées de l'A.D.N. ou de l'A.R.N. auxquelles elle peut se substituer. (Certains analogues de base, tel le 5-bromo-uracile, sont des agents mutagènes.)

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Biología molecular
  • Genética
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Record 2 2014-12-12

English

Subject field(s)
  • Titles of Federal Government Programs (Canadian)
  • Air Transport
CONT

Transport Canada. Changed Product Rule is in response to a trend in the aviation industry towards less aviation type certificated products that are of a completely new design and more products with multiple changes to previously approved designs.

French

Domaine(s)
  • Titres de programmes fédéraux (Gouvernement canadien)
  • Transport aérien
CONT

La Réglementation applicable aux produits modifiés a été mise en œuvre en réponse à une tendance actuelle de l'industrie aéronautique voulant que de moins en moins de produits aéronautiques dotés d'une certification de type fassent appel à une conception radicalement nouvelle, et que de plus en plus de produits incorporent de multiples modifications à des conceptions déjà approuvées dans d'autres produits aéronautiques.

Spanish

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