C3 pathway
[/ˈsiː θriː ˈpæðweɪ/]
nounpl: C3 pathways
via C3 ou ciclo de Calvin
1. A photosynthetic pathway in plants where carbon dioxide is converted into a three-carbon compound (3-phosphoglycerate) in the Calvin cycle; the most common photosynthetic pathway used by plants
Most terrestrial plants utilize the C3 pathway for photosynthesis, making it the most prevalent form of carbon fixation on Earth.
A maioria das plantas terrestres utiliza a via C3 para a fotossíntese, tornando-a a forma mais prevalente de fixação de carbono na Terra.
2. The biochemical cycle that occurs in all photosynthetic organisms, also known as the Calvin cycle or light-independent reactions
The C3 pathway begins when RuBisCO enzyme catalyzes the carboxylation of ribulose-1,5-bisphosphate.
A via C3 começa quando a enzima RuBisCO catalisa a carboxilação da ribulose-1,5-bisfosfato.
The C3 pathway is a fundamental concept in plant biology and biochemistry studied extensively in both American and Brazilian educational systems. The term is universally used in scientific contexts across English and Portuguese-speaking countries without regional variation. Understanding C3 versus C4 and CAM pathways is crucial in agricultural science, particularly relevant for understanding crop efficiency in different climates.
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