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ST Photosynthese

Photosynthèse et respiration cellulaire

Transformation chimique par laquelle des organismes vivants transforment l’énergie rayonnante du soleil en énergie chimique. Photosynthèse
Transformation chimique par laquelle l’énergie contenue dans les sucres est libérée pour effectuer du travail dans les cellules vivantes. Respiration
Vrai ou Faux : aucun animal peut faire de la photosynthèse. Faux. Certains animaux le peuvent, tel que la limace de mer et les coraux
Pigment vert responsable de la couleur des feuilles et des parties vertes de la plante. Chlorophylle
Là ou la respiration cellulaire se produit (organe de la cellule). Mitochondrie
La respiration produit de la chaleur. Elle est donc _____________ Exothermique
Caractéristique de la photosynthèse et de la respiration. Complémentaire
Un des déchets de la photosynthèse. Oxygène
Vrai ou Faux : Les plantes font de la photosynthèse ainsi que de la respiration cellulaire. Vrai. La photosynthèse se fait le jour car le Soleil est présent. La nuit, la plante doit respirer pour obtenir de l'énergie afin de bien fonctionner.
Ce pigment est présent dans les chloroplastes et capte le rayonnement solaire. Chlorophylle
Caractéristique d'un organisme qui produit sa propre nourriture. Autotrophe.
Produit de la photosynthèse qui est essentiel au bon fonctionnement de la plante. Glucose (et non sucre!!)
Created by: levesquea



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