Enzymes - Mock Test 29

Question 281

Pyruvate dehydrogenase complex is located in?

A) Cytosol B) Lysosomes C) Mitochondria D) Endoplasmic reticulum

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Question 282

Conversion of pyruvate into acetyl CoA is catalysed by?

A) Pyruvate dehydrogenase B) Didrolipoyl acetyl transferase C) Dihydrolipoyl dehydrogenase D) All the 3 acting in concert

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Question 283

Pyruvate is converted into acetyl-CoA by?

A) Decarboxylation B) Dehydrogenation C) Oxidative decarboxylation D) Oxidative deamination

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Question 284

Acetyl-CoA can be formed from?

A) Pyruvate B) Fatty acids C) ketone bodies D) All of these

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Question 285

In obstructive jaundice, faecal urobilinogen is?

A) Absent B) Decreased C) Increased D) Normal

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Question 286

Daily urinary urobilinogen excretion in adult men is?

A) 0–4 mg B) 5–8 mg C) 9–12 mg D) 13–20 mg

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Question 287

The highest energy level is present amongst the following in?

A) 1, 3-Biphosphoglycerate B) Creatine phosphate C) Carbamoyl phosphate D) Phosphoenol pyruvate

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Question 288

A high-energy phosphate among the following is?

A) Glucose-6-phosphate B) Glucose-1-phosphate C) 1, 3-Biphoglycerate D) All of these

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Question 289

From the pentapeptide, phe-ala-leu-lysarg, phenylalanine residue is split off by?

A) Trypsin B) Chymotrypsin C) Aminopeptidase D) Carboxypeptidase

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Question 290

Different isoenzymes of an enzyme have the same?

A) Amino acid sequence B) Michaelis constant C) Catalytic activity D) All of these

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