2768816
Descrição
FlashCards por HermioneGrangerSep19, atualizado more than 1 year ago
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Criado por HermioneGrangerSep19
quase 9 anos atrás
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| Questão | Responda |
| METABOLISM | Sum total of all chemical reactions/biological processes in a living organism |
| ANABOLISM | Metabolic synthesis of complex molecules from simple ones. Simple molecules ---------> Complex E.g. - Photosynthesis |
| CATABOLISM | Metabolic breakdown of complex molecules into simpler ones Releases energy Complex molecules -------> Simple E.g. Respiration |
| NUTRITION | Process of intake and utilisation of nutrients by an organism |
| NUTRIENT | substance an organism derives from surroundings and uses as source of energy for biosynthesis of body constituents |
| Life on Earth is mostly dependent on _______-based food sources. | CARBON |
| AUTOTROPHS | Organisms which use energy from sun or oxidation of inorganic substrates to make organic molecules from inorganic ones. E.g. green plants and bacteria They are of two types: Photoautotrophs and Chemoautotrophs. |
| PHOTOAUTOTROPHS | Autotrophs which light energy to make food Use photosynthesis |
| CHEMOAUTOTROPHS | Use inorganic energy sources (hydrogen, ammonia, hydrogen sulphide, elemental sulphur) to make food |
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