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BiochemistryProtein & Amino Acid Metabolism
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Q2517. Enzyme deficient in Isovaleric acidemia

A.Isovaleryl CoA dehydrogenase
B.Phenylalanine hydroxylase
C.Arginase
D.None

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NEET-PG
2012
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BiochemistryCarbohydrate Metabolism
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Q2518. Which of the following metabolites is involved in glycogenolysis, glycolysis and gluconeogenesis ?

A.Galactose-l-phosphate
B.Glucose-6-phosphate
C.Uridine diphosphoglucose
D.Fructose-6-phosphate

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BiochemistryProtein & Amino Acid Metabolism
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Q2520. In starvation, nitrogen is carried from muscle to liver and kidney by:

A.Alanine
B.Aspartic acid and Serine
C.Glycine
D.Asparagines

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BiochemistryCarbohydrate Metabolism
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Q2521. All of the following occur in mitochondria except

A.Citric acid cycle (Kreb's cycle)
B.Glycogenolysis
C.Fatty acid oxidation
D.Electron transport chain

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BiochemistryLipid Metabolism
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Q2522. HMG-CoA in liver mitochondria is inhibited by ?

A.Insulin
B.Glucagon
C.Glucocorticoid
D.Epinephrine

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BiochemistryGeneral Biochemistry
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Q2523. Organ which can utilize glucose, FA and ketone bodies is -

A.Liver
B.Brain
C.Skeletal muscle
D.RBC

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BiochemistryEnzymes & Proteins
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Q2524. Major source of energy for brain in fasting/ starvation ?

A.Glucose
B.Glycogen
C.Fatty acids
D.Ketone bodies

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BiochemistryCarbohydrate Metabolism
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Q2525. Fatty acid metabolism gives ?

A.Acetyl CoA
B.Malonyl CoA
C.Ketone bodies
D.Cholesterol

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BiochemistryCarbohydrate Metabolism
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Q2526. Which one of the following statements concerning gluconeogenesis is correct ?

A.It occurs in muscle
B.It is stimulated by fructose 2, 6-bisphosphate
C.It is inhibited by elevated levels of acetyl CoA
D.It is important in maintaining blood glucose during the normal

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BiochemistryCarbohydrate Metabolism
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Q2528. Which of the following is true ?

A.Glucokinase has high affinity for glucose
B.Hexokinase has low affinity for glucose
C.Glucokinase has low affinity for glucose
D.Hexokinase is induced by insulin

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BiochemistryLipid Metabolism
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Q2529. Lipogenesis is stimulated by ?

A.Insulin
B.Glucagon
C.Epinephrine
D.Corticosteroids

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BiochemistryCarbohydrate Metabolism
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Q2532. Which of the following is not the source of cytosolic NADPH ?

A.Isocitrate dehydrogenase
B.ATP citrate lyase
C.Malic enzyme
D.G6PD

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BiochemistryCarbohydrate Metabolism
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Q2534. Overnight fasting what occurs ?

A.Glucose decreases
B.FFA increases
C.Increased gluconeogenesis
D.Increased beta-hydroxybutyrate

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BiochemistryVitamins & Minerals
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Q2535. Which of the following is a Fat Soluble vitamin ?

A.Thiamine
B.Niacine
C.Vitamin A
D.Ribaflavin

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BiochemistryVitamins & Minerals
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Q2536. Ascorbic acid is required for synthesis of ?

A.Phenylserine
B.Homoserine
C.Hydroxylysine
D.Selenocysteine

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BiochemistryVitamins & Minerals
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Q2537. Which of the following vitamins does not participate in oxidative decarboxylation of pyruvate to acetyl CoA ?

A.Thiamine
B.Niacine
C.Riboflavin
D.Biotin

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BiochemistryLipid Metabolism
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Q2539. Pantothenic acid is needed for donating the following moiety ?

A.Acetyl (or acyl) CoA
B.Carboxyl
C.Hydroxyl
D.Amino

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BiochemistryEnzymes
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Q2541. Coenzyme form of pyridoxine is ?

A.ADP
B.NAD
C.PLP
D.FAD

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BiochemistryEnzymes
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Q2542. The cofactor vitamin B12 is required for the following conversion:

A.Dopamine to Norepinephrine
B.Propionyl CoA to methyl malonyl CoA
C.Methyl malonyl CoA to succinyl CoA
D.Cysteine to homocysteine

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BiochemistryVitamins & Minerals
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Q2543. Vitamin B1 is required for which reaction

A.Transamination
B.Oxidative decarboxylation
C.Carboxylation
D.All of the above

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