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MBS217 > Metabolic Proceses > Flashcards

Metabolic Proceses Flashcards

1
Q

What are enzymes that catalyze irreversible reactions?

A

Hexokinase
Phosphofructokinase
Pyruvate kinase

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2
Q

What is hexokinase?

A

It is inhibited by its product glucose 6 PO4

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3
Q

Is glucokinase inhibited by glucose PO4?

A

No

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4
Q

What is that most important control point of the mammalian glycolytic pathway?

A

Phosphofructokinase

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5
Q

What activates Phosphofructokinase?

A

AMP and fructose 2,6 biphosphate

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6
Q

What inhibits Phosphofructokinase?

A

High levels of ATP
Citrate
Fatty acids

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7
Q

What activates pyruvate kinase?

A

Fructose 1,6 Biphosphate

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8
Q

What inhibits pyruvate kinase?

A

Atp
Alanine

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9
Q

What are the main sites for glucogenesis?

A

Major site is the Liver
Minor site is the kidneys
Very little is the brain,muscle

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10
Q

What is the Pentose phosphate pathway known as?

A

Pentose shunt
Hexose monophosphate shunt
Phosphogluconate pathway

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MBS217 (27 decks)

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