cycle kreps2 Flashcards

1
Q

acetyl coa + oxaloacetat =

A

citrate

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2
Q

enzyme de cette reaction

A

citrate synthese

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3
Q

co enzyme

A

h2o + coa sh

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4
Q

reaction reversible OU irreversible

A

irreversible

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5
Q

citrate —- va etre

A

6 aconitate

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6
Q

enzyme

A

aconitase

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7
Q

les produits

A

h2o

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8
Q

6aconitate va etre

A

isocitrat

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9
Q

faut ajouter

A

h2o

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10
Q

la reaction est

A

réversible

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11
Q

isocetrate va etre

A

alpha cetoglutarate +co2

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12
Q

enzyme

A

isocetrate desydrogenase

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13
Q

coenzyme

A

nadp+ —— nadph h+

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14
Q

reaction revesible/irreversible

A

irréversible

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15
Q

alpha cetoglutarate va etre

A

succynil coa +co2

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16
Q

enzyme

A

alpha ceto gultarate deshydrogenase

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17
Q

coenzyme

A

coa sh

nad+— nadh.h+

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18
Q

la réction irrversible ou reversible

A

irreversible

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19
Q

succinyl coa ymdlna

A

succynil phosphate

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20
Q

enzyme

A

succinyll coa synthese

21
Q

coenzyme

A

pi + s-coa

22
Q

succinyl phosphate ymdly

23
Q

coenzyme

A

gdp twly gtp

24
Q

reaction irre ou reve

A

réversible

25
succinate ymdly
fumarate
26
enzyme
succinate desydrogenase
27
coenzyme
FAD+---FADH2
28
reacton irr/rev
irre
29
fumarate ywli
malate
30
ns79o
h2o
31
enzyme
fumarase
32
reaction revesible/ irre
réversible
33
malate ywli
oxaloacetate
34
enzyme
malate desydrogenase
35
coenzyme
nad+ -nadh h+
36
réaction reve/irver
réversible
37
quelles sont les sites de regulation dans cycle de kreps
- citrate synthetase - isocitrate desydrogenase - alpha ceto glutarate désydrogenase
38
cirate synthetase inhibé par
atp citrate succinyl coa nadh.h+
39
isocitrate desydrogenase stimulé par
adp
40
alpha ceto glutarate désydrogénase inhibé par
succinyl coa nadh.h+
41
billan énergetique de cycle de kreps
``` acetyle coa 3NAD+ FAD GDP PI 2H2O les produits: 2CO2 +3NADH.H+ +FADH2 +GTP +COA ```
42
TRANSFORMATION DE L'energie du nadh'h+ fadh2 en atp realisé dans
la chaine respiratoire de la mitchondrie
43
par un processus aplé
phosphorélation oxydative
44
1 nadh.h+---- | fadh2-----
3atp | 2atp
45
oxydation de acétyl coa donne
12 atp
46
2 systeme navettes existent
navette du glycérole 3 phosphate dans ls muscle et le cerveau navette malate aspartate le coeur le fois la rien
47
en aerobiose production de
38 atp
48
en anaerobiose
2 atp