Calea Pentozo-fosfatilor Flashcards

1
Q

Ce rezulta din etapa oxidativa

A

NADH si ribulozo5fosfat

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2
Q

Ce rezulta din etap nonoxidativa

A

Ribozo5fosfat si intermediari ai glicolizei (GA3P si Fr6P)

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3
Q

Care este etapa limitanta de viteza a caii pentozof

A

Dehidrogenarea glucozo6fosfatului in 6fosfogluconolactona

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4
Q

De cine este controlata etapa oxidativa

A

Necesitatile de NADH

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5
Q

De cine este controlata etapa nonoxidativa

A

Necesitatile de pentoze

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6
Q

Ce se intampla cand necesitatile NADH > ribozo5fosfat

A

Ribozo5fosfatul e convertit in intermediarii glicolizei

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7
Q

Ce se intampla cand necesitatile ribozo5fosfat > NADH

A

Intermediarii glicolizei se transforma in ribozo5fosfat

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8
Q

La ce se foloseste ribozo5fosfat

A

Sinteza nucleotide, alcatuirea unor coenzime, sinteza de alte monozaharide

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9
Q

Rolurile NADH

A

Mentine Fe in forma redusa (+2), mentine glutationul redus, sinteza NO, AG, colesterol, hormoni steroizi

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