Fotosintesis
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Transcript of Fotosintesis
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BIÓL. CECILIA ARANADA B.BIOLOGÍA V, Preparatoria Incorporada UNAM
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METABOLISMETABOLISMO MO AUTÓTROFOAUTÓTROFO
Fuente de carbono CO2
Fuente de energía luz fotoautótrofosquímica quimiosíntesis
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En la litosfera se encuentra como sulfato (SO4) o como sulfuro (S2-)
Forma parte de los aminoácidos
microorganismos bacterias
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En la litosfera se encuentra como compuestos ferrosos (Fe 2+) o férricos (Fe3+)
Forma parte de la hemoglobina y de los citocromos
microorganismos bacterias
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Forma parte de los aminoácidos y ácidos nucleótidos.
En la naturaleza esta en forma de nitratos (NO3-) y como N2 en la átmosfera
microorganismos bacterias
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6 CO2 + 6 H2O + energía luminosa C6H12O6 + 6 O2
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Fase luminosa Ocurre en la membrana de la grana Reacciones no cíclicas (Fotosistema I y
II) y cíclicas (Fotosistema I)
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