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Topic

Year

BiochemistryGeneral Biochemistry

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Q2396. cAMP action mediates all except ?

A.Glucagon

B.Follicle stimulating hormone

C.Leutinizing hormone

D.Estrogen

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NEET-PG

2012

Repeats: N/A

BiochemistryCell Biology

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Q2404. Which of the following increases particle diffusion across the cell membrane ?

A.Increasing size of particle

B.Decreasing lipid solubility of substance

C.Increasing lipid solubility of substance

D.Decreasing size of opening in cell membrane

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BiochemistryGeneral Biochemistry

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Q2410. On weight basis, the membrane contains protein and lipid in the ratio of ?

A.1 : 2

B.1 : 1

C.2 : 1

D.4 : 1

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BiochemistryProtein & Enzyme Metabolism

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Q2413. Digestive enzymes are

A.Hydrolases

B.Oxidoreductases

C.Dehydrogenases

D.Ligases

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BiochemistryProtein & Enzyme Metabolism

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Q2414. Enzymes that move a molecular group from one molecule to another are known as -

A.Ligases

B.Oxido-reductases

C.Transferases

D.Dipeptidases

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BiochemistryCarbohydrate Metabolism

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Q2415. Glucose-6-phosphate dehydrogenase need -

A.NAD

B.NADP

C.FAD

D.FMN

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BiochemistryCarbohydrate Metabolism

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Q2416. Which of the following is NADP linked

A.G6PD

B.APDH

C.a-keto glutarate dehydrogenaes

D.None

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BiochemistryEnzymes

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Q2417. Aldehyde dehydrogenase requires NAD as ?

A.Cofactor

B.Apoenzyme

C.Coenzyme

D.None

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BiochemistryEnzymes

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Q2418. Apoenzyme is ?

A.Cofactor

B.Coenzyme

C.Protein moiety

D.None

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BiochemistryEnzymes

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Q2420. What are isoenzyme -

A.Physically same forms of different enzymes

B.Physically disinct forms of same enzyme

C.Forms of same enzyme that catalyze different reactions

D.Forms of different enzyme that catalyze same reactions

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BiochemistryProtein & Enzyme Metabolism

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Q2421. Enzyme causing covalent bond cleavage without hydrolysis ?

A.Lyase

B.Ligase

C.Hydrolase

D.Transferase

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BiochemistryProtein & Enzyme Metabolism

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Q2422. Enzymes act by ?

A.Increase in activation energy

B.Decrease in activation energy

C.Shift equilbrium constant

D.None

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BiochemistryEnzymes

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Q2423. Km value is defined as:

A.Substrate concentration at Vmax/2

B.Substrate concentration of twice Vmax

C.Substrate concentration of thrice Vmax

D.Substrate concentration of one third Vmax

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BiochemistryEnzymes

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Q2424. The predominant isoenzyme of LDH occuring in liver injury is ?

A.LDH-1

B.LDH-2

C.LDH-4

D.LDH-5

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BiochemistryProtein & Enzyme Metabolism

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Q2425. Specific activity of enzyme is ?

A.limo' of enzyme per gram of substrate

B.Enzyme units per mg of protein

C.Conc. of substrate transformed per minute

D.None

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BiochemistryEnzymes & Proteins

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Q2427. Functional plasma enzyme is ?

A.Fibrinogen

B.LDH

C.SGOT

D.SGPT

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BiochemistryCarbohydrate Metabolism

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Q2428. Substrate level phosphorylation is by

A.Pyruvate kinase

B.Phosphofructokinase

C.Hexokinase

D.ATP synthase

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BiochemistryCarbohydrate Metabolism

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Q2429. Substrate level phosphorylation occur in step catalysed by which of the following enzyme in TCA cycle?

A.Isocitrate dehydrogenase

B.Malate dehydrogenase

C.Aconitase

D.Succinate thiokinase

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BiochemistryCarbohydrate Metabolism

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Q2431. NADPH via glycerophosphate shunt makes how many ATP?

A.1

B.2

C.3

D.4

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BiochemistryCarbohydrate Metabolism

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Q2432. Enzyme involved in oxidative phosphorylation ?

A.Pyruvate kinase

B.Succinyl CoA thiokinase

C.NADH dehydrogenase

D.None

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for subject "Biochemistry"