Chapitre 8 Flashcards

1
Q

Formation de Malonyl-coa

A

ACC, ATP needed
Biotine carboxylase
Trasncarboxylase
Malonyl-CoA

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2
Q

Transporteur tricarboxylate

A

Citrate lysase reaction requires ATP

Pyruvate carboxylase reaction requires ATP

Malate deshydrogenase reaction requires NADH

Malic enzyme reaction requires NADP

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3
Q

Transporteur du groupe acyl

A

CoA pour intermédiaire de l’oxydaiton Béta

ACP pour intermédiaire de synthèse d’acide gras

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4
Q

Qu’est ce qui synthétise acides gras

A

AGS
- Homodimère
- 7 SA

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5
Q

AGS amorcage

A

Malonyl-Coa (MAT: ACP en CoA-SH) - Malonyl-ACP

Acétyl-Coa (MAT: ACP en CoA-SH)- Acetyl-ACP(KS)

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6
Q

Molécule d’extension et loécule amorcage

A

Malonyl-ACP: extension

Acetyl-KS: Amorce

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7
Q

Étapes d’extension

A

Étape 1: Condensation: KS
- Décarboxylation Malonyl
- Attaque Nu
- Forms Acétoacétyl - ACP
Étape 2: Réduction: KR
- NADPH used
- réduction a Beta
- Forms B-Hydroxybutyryl-ACP
Étape 3: Déshydratation: DH
- Perte d’eau
- double liaison former entre B et a
- butyenoyle-ACP
Étape 4: Réduction: ER
- NADPH utiliser
- Perte de double liaison entre alpha et beta
- butyryl-ACP
Étape 5: hydrolise: TE
H20 entre HD-ACP sort

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8
Q
A
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