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Chapitre 20

Chloroplastes et photosynthèse

Qu'est ce que la photosynthèse ?
Qu'est ce que la photosynthèse ?
All living organisms on Earth are directly or indirectly dependent on photosynthesis. It is the only biological process that can capture energy from ...
L'anatomie des chloroplastes
L'anatomie des chloroplastes
Green algae and plants, including green stems and unripe fruit, harbor specialized organelles called chloroplasts to carry out photosynthesis. They ...
Le cycle de Calvin
Le cycle de Calvin
Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, ...
Le centre réactionnel d'un photosystème
Le centre réactionnel d'un photosystème
Reaction centers are pigment-protein complexes that initiate energy conversion from photons to chemical entities. Therefore, photochemical reaction center ...
L'antenne collectrice
L'antenne collectrice
Plants and other photosynthetic organisms comprise pigments capable of absorption of direct sunlight. These pigments are present in the reaction center - ...
Photosystèmes
Photosystèmes
Photosystems are multiprotein complexes that form the functional units of photosynthesis in plants, algae, and cyanobacteria. They are found embedded in ...
Le schéma en Z
Le schéma en Z
The light reactions of photosynthesis assume a linear flow of electrons from water to NADP+. During this process, light energy drives the splitting of ...
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