Glycolyse (M) Flashcards

1
Q

Nomme les 2e,3e et 4e forme du glucose lors de la glycolyse

A

Glucose 6 phosphate
Fructose 6 phosphate
Fructose 1,6 diphosphate

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2
Q

En étape 1: le glucose gagne

A

Un phosphore (sur le C qui n’est pas dans le cycle)

grâce à l’ATP (qui devient ADP)

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3
Q

Nomme les 3 premières enzyme

A

Hexokinase
Phosphoglucose isomérase
Phosphofructokinase

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4
Q

Que fait l’enzyme hexokinase

A

Transfert phosphate (de l’ATP vers glucose)

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5
Q

Que se passe t il lors de la 2e réaction?

A

Glucose 6 phosphate
+ enzyme (phosphoglucose isomérase)
= fructose 6 phosphate (son isomère)

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6
Q

Quelles étapes dépensent ATP

A

1ere
3e

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7
Q

Fructose 6 phosphate : structure

A

Cycle à 5 (4C+ 1O)

+ CH2-OH pas dans cycle

+ CH2-O-P

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8
Q

Structure d’une molécule de fructose

A
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9
Q

Enzyme Kinase = ?

A

Si enzyme -kinase : étape avec ATP

Donc ajout ou retrait d’un phosphate

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