Mæt og faste Flashcards

1
Q

Hormoner ved mæt tilstand

A

høj insulin

lav glucagon, cortisol og adrenalin

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2
Q

Pathway stim. af mæt tilstand

A

Glycolyse, glycogenese, lipogenese og protein opbygning

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3
Q

Enzymer inh/akt ved mæt tilstand

A
Stim: glucogensyntase (insulin og G-6-P)
Glucokinase/hexokinase(insulin)
PFK-1 
Pyruvat kinase (insulin og F-1,6-BP)
Inh: FBPase (insulin)
Glucogen phosphorylase (insulin og glucose)
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4
Q

Hormoner i faste tilstand

A

Lav insulin

Høj glucagon, cortisol og adrenalin

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5
Q

Pathway stim. i faste tilstand

A

glykogenolyse, lipolyse, beta-oxidation, protein nedbrydning, ketogenese

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6
Q

Enzymer inh/akt ved faste tilstand

A

Stim: FBPase (glucagon)
Fructose 1,6-bp (glucagon og DHAP)
PEPCK (glucagon og cortisol)

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7
Q

Hvordan fører gluconeogenese øgning til ketogenese

A

Meget betaoxidation => øget acetyl CoA og ATP

AcetylCoA undgår i TCA men den videre omdannelse er hæmmet pga øget ATP og lavt OA

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8
Q

Hvordan kan fedtsyresyntese hæmme glycolyse

A

ATP og acetylCoA hæmmer pyruvat kinasen

ATP og citrat hæmmer phosphofructokinase

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9
Q

Hvad fremmer acetyl coA i gluconeogenesen

A
pyruvate carboxylase (pyruvate carboxylase)
Den hæmmer pyruvate dehydrogenase (til pyruvate til OA og acetylcoA)
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