Rate Limiting Enzymes Flashcards by Aloha Lopez

Q

Glycolysis

A

Phosphofructokinase-I

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Q

Gluconeogenesis

A

Fructose-1,6-biphosphatase

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Q

Glycogenesis

A

Glycogen synthase

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Q

TCA cycle

A

Isocitrate dehydrogenase

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Q

Glycogenolysis

A

Glycogen phosphorylase

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Q

HMP shunt

A

Glucose-6-phosphate dehydrogenase

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Q

De Novo pyrimidine synthesis

A

Carbamoyl phosphate synthetase II

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Q

De Novo purine synthesis

A

GLutamine-phosphoribosylpyrophospate

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Q

Urea cycle

A

Carbamoyl phosphate synthetase I

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Q

Fatty acid synthesis

A

Acetyl CoA carboxylase

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Q

Fatty acid oxidation

A

Carnitine acyltransferase I

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Q

Ketogenesis

A

HMG CoA synthase

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Q

Cholesterol synthesis

A

HMG CoA reductase

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Q

Positive regulators of glycolysis

A

AMP, fructose-2,6-biphosphate

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Q

Negative regulators of glycolysis

A

ATP, citrate

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Q

Negative regulators of gluconeogenesis

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A

AMP, fructose-2,6-biphosphate

Q

Positive regulators of TCA cycle

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A

ADP

Q

Negative regulators of TCA cycle

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A

ATP, NADPH

Q

Positive regulators of glycogenesis

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A

Glucose-6-phosphate, insulin, cortisol

Q

Negative regulators of glycogenesis

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A

Epinephrine, Glucagon

Q

Positive regulators of glycogenolysis

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A

Epinephrine, Glucagon, AMP

Q

Negative regulators of glycogenolysis

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A

Glucose-6-phosphate, insulin, ATP

Q

Positive regulators of HMP shunt

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A

NADP

Q

Negative regulators of HMP shunt

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A

NADPH

Positive regulators of Cholesterol synthesis

Insulin, Thyroxine

Negative regulators of Cholesterol synthesis

Glucagon, Cholesterol

Positive regulators of Urea cycle

N-acetylglutamate

Negative regulators of Fatty acid oxidation

Malonyl-CoA