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PharmacologyCardiovascular Drugs
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Q2409. Plasma membrane is mainly composed of ?

A.Cholesterol
B.Carbohydrate
C.Phospholipid
D.Protein

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NEET-PG
2012
Repeats: N/A
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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NEET-PG2012Repeats: N/A
PharmacologyAutonomic Pharmacology
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Q2411. Which of the following is the cause of nonshivering thermogenesis in adults?

A.Noradrenaline
B.Thyroid hormone
C.Muscle metabolism
D.Brown fat between the shoulders

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Obstetrics & GynaecologyObstetrics
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Q2412. The thickness of endometrium at the time of implantation is :

A.3 – 4 mm
B.20 – 30 mm
C.15 –20 mm
D.30 – 40 mm

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NEET-PG2012Repeats: N/A
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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MedicineGeneral Medicine
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Q2419. In xanthine oxidase co factor is ?

A.Selenium
B.Zn
C.Molybdenum
D.Mg

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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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NEET-PG2012Repeats: N/A
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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PharmacologyCardiovascular Drugs
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Q2426. Type of inhibition of aconitase by Transaconitate is?

A.Non-competitive
B.Competitive
C.Allosteric
D.None

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NEET-PG2012Repeats: N/A
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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