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FIJACION CARBONO [1 record]

Record 1 2010-12-20

English

Subject field(s)
  • Biochemistry
  • Ecology (General)
CONT

Photosynthesis is a well-understood process. It is responsible for virtually all CO2 fixation in nature.

CONT

Relative rates of carbon fixation or net productivity by the terrestrial and marine ecosystems are uncertain. ... Although the rate of fixation of carbon may be comparable for both [terrestrial and marine] ecosystems, carbon is turned over much faster in the oceans.

OBS

carbon fixation: In this context, the term "carbon" is elliptical and refers to carbon dioxide.

OBS

CO2.

French

Domaine(s)
  • Biochimie
  • Écologie (Généralités)
CONT

En effet, nous avons présenté la photosynthèse comme processus global de fixation du carbone par la biomasse. Mais il existe des variations dans ce processus : la photosynthèse C3 correspond à la synthèse de composés à trois atomes de carbone alors que la photosynthèse C4 implique des composés à quatre atomes de carbone.

CONT

La fixation du gaz carbonique par les plantes vertes peut se faire de trois façons différentes que l'on appelle types en C3, en C4 et type CAM [métabolisme acide des crassulacées].

OBS

fixation de carbone : Dans ce contexte, «carbone» est un terme elliptique qui désigne le dioxyde de carbone.

OBS

CO2.

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Ecología (Generalidades)
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