exercício via das pentoses

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EXERCÍCIO VIA DAS PENTOSES
Defina a via das pentoses-fosfato, abordando sua função, onde ocorre e quais os produtos (moléculas) importantes obtidas nessa via metabólica. 
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Cite as três circunstâncias onde é necessário ativar a via das pentoses-fosfato.
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Explique os principais acontecimentos da fase oxidativa.
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Explique os principais acontecimentos da fase não oxidativa.
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Quais necessidades a célula possui quando segue pelas fases:
OXIDATIVA, apenas: ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
OXIDATIVA e NÃO OXIDATIVA:
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NÃO OXIDATIVA, apenas:
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Quais enzimas participam da fase oxidativa e da não oxidativa?
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Esquematize, usando apenas o número de carbonos, a vida das pentoses em suas duas fases.
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