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BiochemistryEnzymes
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Q7881. Which of the following is known as suicidal enzyme?

A.Lipoxygenase
B.Cyclooxygenase
C.Thromboxane synthatase
D.5' nucleotidase

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NEET-PG
2015
Repeats: N/A
BiochemistryNucleotide Metabolism
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Q7882. Rate limiting enzyme in bile acid synthesis ?

A.Desmolase
B.21 α-hydroxylase
C.7α-hydroxylase
D.12α-hydroxylase

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NEET-PG2015Repeats: N/A
BiochemistryProtein & Enzyme Metabolism
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Q7883. Enzyme activity is expressed as:

A.Millimoles /lit?
B.Milli gm/lit?
C.Mg/ dl
D.Micromoles/min

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BiochemistryEnzymes
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Q7884. Example of allosteric inhibition

A.Inactivation of glycogen synthase by phosphorylation
B.Decreased synthesis of glucokinase by glucagon
C.Inhibition of PFK-1 by citrate
D.All of the above

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NEET-PG2015Repeats: N/A
BiochemistryVitamins & Minerals
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Q7885. Lysyl oxidase requires which cofactor -

A.Zn
B.Cu
C.Se
D.Fe

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NEET-PG2015Repeats: N/A
BiochemistryCarbohydrate Metabolism
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Q7889. True about NADP -

A.Acts as coenzyme form of Niacin
B.Involved in HMP shunt
C.Not involved in glycolysis
D.All are true

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BiochemistryCarbohydrate Metabolism
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Q7890. In malate shuttle, NADH Produces how many ATPs

A.1
B.1-5
C.2
D.2.5

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BiochemistryCarbohydrate Metabolism
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Q7891. Not a substrate for gluconeogenesis -

A.Glycerol
B.Leucine
C.Lactate
D.Propionate

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BiochemistryVitamins & Minerals
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Q7892. Pyruvate dehydrogenase requires all cofactors except

A.Thiamin
B.Riboflavin
C.Niacin
D.Pyridoxin

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BiochemistryCarbohydrate Metabolism
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Q7893. Lactate produced anaerobically is used by

A.Gluconeogenesis & Glycolysis
B.Cori cycle & gluconeogenesis
C.TCA cycle & Glycogenolysis
D.Cori cycle only

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BiochemistryCarbohydrate Metabolism
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Q7894. Citrate synthase is inhibited by -

A.ATP
B.ADP
C.Insulin
D.Glucagon

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BiochemistryCarbohydrate Metabolism
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Q7895. Fumarate is formed from which amino acid

A.Methionine
B.Valine
C.Histidine
D.Tyrosine

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BiochemistryCarbohydrate Metabolism
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Q7896. The major role of 2, 3 bisphosphoglycerate in RBCs is -

A.Acid-base balance
B.Reversal of glycolysis
C.Release of oxygen
D.Binding of oxygen

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NEET-PG2015Repeats: N/A
BiochemistryEnzymes & Proteins
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Q7897. Enzyme deficient in Hers disease -

A.Muscle phosphorylase
B.Liver phosphorylase
C.Acid maltase
D.Debranching enzyme

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BiochemistryCarbohydrate Metabolism
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Q7898. Immediate metabolic products during conversion of Fructus 1-6 bisphosphate to 2 molecules of pyruvate -

A.Glyceraldehyde-3-phosphate and 1,3-bisphosphoglycerate
B.Dihydroxyacetone phosphate and 1,3 bisphos​phoglycerate
C.Glyceraldehyde-3-phosphate and dihydroxy-acetone phosphate
D.3-phosphoglycerate and 1,3 bisphosglycerate

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BiochemistryCarbohydrate Metabolism
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Q7899. In conversion of glucose to glucose-6- phosphate in glycolysis true is

A.Glucokinase has low km
B.Hexokinase is found only in liver
C.Glucokinase is induced by insulin
D.Hexokinase is not specific for glucose

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NEET-PG2015Repeats: N/A
BiochemistryGeneral Biochemistry
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Q7901. Most abundant source of fuel in starvation -

A.Liver glycogen
B.Muscle glycogen
C.Adipose tissue
D.Blood glucose

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BiochemistryLipid Metabolism
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Q7902. Major metabolism of saturated fatty acids in the mitochondria is called as -

A.β-oxidation
B.α-oxidation
C.ω-oxidation
D.None of the above

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BiochemistryLipid Metabolism
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Q7905. Transport of lipids from the intestine to other tissues is by -

A.Chylomicrons
B.LDL
C.HDL
D.VI DL

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BiochemistryCarbohydrate Metabolism
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Q7907. (β-oxidation of palmitic acid yields

A.3 acetyl CoA
B.129 ATP net
C.131 ATP net
D.16 Acetyl CoA

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