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METABOLISME > TEMA 8 - GLUCONEOGÈNESI > Flashcards

TEMA 8 - GLUCONEOGÈNESI Flashcards

1
Q
  1. Piruvat carboxilasa
A

Piruvat–>Oxalacetat.

IRREVERSIBLE i MITOCONDRIAL.

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2
Q
  1. Fosfoenol piruvat carboxiquinasa (PEPCK)
A

Oxalacetat–>PEP
Aquest sera transportat pel TRANSPORTADOR DELS ÀCIDS TRICARBOXÍLICS.
L’enzim pot estar al MITOCONDRI (malat) o en el CITOSOL (malat–>oxalacetat–>PEP) El malat fa servir la LLANÇADORA MALAT-ASPARTAT.

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3
Q

Aldolasa

A

Ens permet ajuntar 2 molècules de 3C per formar Fructosa-1,6-bifosfatasa.

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4
Q

Fosfatasa

A

Permet desfosforilar la Fructosa-1,6-bifosfat per donar Fructosa-6P.
És regulada negativament per la Fructosa-2,6-bifosfat.

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5
Q

Glucosa-6-fosfatasa

A

Desfosforila la Glucosa-6P per tal que pugui travessar la membrana.
Es troba en FETGE i RONYÓ.

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6
Q

Transaminasa

A

Transforma l’alanina en piruvat.

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METABOLISME (6 decks)

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