Description : Cori disease (Limit dextrinosis) is caused due to absence of (A) Branching enzyme (B) Debranching enzyme (C) Glycogen synthase (D) Phosphorylase
Last Answer : Answer : B
Description : Mc Ardle’s syndrome is characterized by the absence of (A) Liver phosphorylase (B) Muscle phosphorylase (C) Branching enzyme (D) Debranching enzyme
Description : Amylo 1, 6 glucosidase is called (A) Branching enzyme (B) debranching enzyme (C) Glucantransferase (D) Phosphorylase
Last Answer : B
Description : Glycogen is converted to glucose-1- phosphate by (A) UDPG transferase (B) Branching enzyme (C) Phosphorylase (D) Phosphatase
Last Answer : C
Description : The α-ketoacid is decarboxylated by H2O2 forming a carboxylic acid with one carbon atom less in the absence of the enzyme: (A) Catalase (B) Decarboxylase (C) Deaminase (D) Phosphatase
Last Answer : Answer : A
Description : The hexose monophosphate pathway includes the enzyme: (A) Maltase dehydrogenase (B) Hexokinase (C) α-Ketoglutarate dehydrogenase (D) Glucose-6-phosphate dehydrogenase
Last Answer : Answer : D
Description : Pompe ’s d isease is caused due to deficiency of (A) Lysosomal α-1→4 and 1→6-glucosidase (B) Glucose-6-phosphatase (C) Glycogen synthase (D) Phosphofructokinase
Description : The branching enzyme acts on the glycogen when the glycogen chain has been lengthened to between glucose units: (A) 1 and 6 (B) 2 and 7 (C) 3 and 9 (D) 6 and 11
Last Answer : D
Description : The enzyme that converts glucose to glucose-6-phosphate is (A) Phosphatase (B) Hexokinase (C) Phosphorylase (D) Glucose synthetase
Description : The enzyme glucose 6-phosphatase is present in (A) Liver (B) Muscle (C) Adipose tissue (D) Brain
Description : The enzyme glucose-6-phosphatase which catalyses the conversion of glucose 6-phosphate to glucose is not found in (A) Liver (B) Muscle (C) Intestine (D) Kidney
Description : The “Primaquin sensitivity types of haemolytic anaemia has been found to relate to reduced R.B.C activity of which enzyme? (A) Pyruvate kinase deficiency (B) Glucose-6-phosphatase deficiency (C) Glucose-6-p dehydrogenase deficiency (D) Hexokinase deficiency
Description : The following enzyme is required for the hexose monophosphate shunt pathway: (A) Glucose-6-phosphatase (B) Phosphorylase (C) Aldolase (D) Glucose-6-phosphate dehydrogenase
Description : The following is an enzyme required for glycolysis: (A) Pyruvate kinase (B) Pyruvate carboxylase (C) Glucose-6-phosphatase (D) Glycerokinase
Last Answer : A
Description : Her’s disease is characterized by deficiency of (A) Muscle phosphorylase (B) Liver phosphorylase (C) Debranching enzyme (D) Glycogen synthase
Description : Debranching enzyme is absent in (A) Cori’s disease (B) Andersen’s disease (C) Von Gierke’s disease (D) Her’s disease
Description : The enzyme in whose presence glucose and fructose are converted into alcohol is - (1) Diastase (2) Maltase (3) Invertase (4) Zymase
Last Answer : (4) Zymase Explanation: The slow decomposition of organic matter into simpler substances in presence of enzymes is known as fermentation. Fermentation is used for the preparation of alcoholic ... first converted to glucose and fructose (isonomers) in presence of an enzyme called invertase.
Description : The enzyme that converts glucose to ethyl alcohol is – (1) invertase (2) Maltase (3) Zymase (4) Diastase
Last Answer : (3) Zymase Explanation: The fermentation of sugar into ethanol is one of the earliest biotechnologies employed by humanity. Fermentation of fermentable sugars by suitable yeast produces ethanol (ethyl ... wine yeast, for example, contain zymase, an enzyme that can convert glucose to ethanol.
Description : The enzyme which can catalyse the conversion of glucose to ethyl alcohol is (A) Invertase (B) Maltase (C) Diastase (D) Zymase
Last Answer : (D) Zymase
Description : The enzyme in whose presence glucose and fructose are converted into alcohol is (1) Diastase (2) Maltase (3) Invertase (4) Zymase
Last Answer : Zymase
Description : The enzyme that converts glucose to ethyl alcohol is : (1) Invertase (2) Maltase (3) Zymase (4) Diastase
Description : McArdle’s disease is due to the deficiency of (A) Glucose-6-phosphatase (B) Phosphofructokinase (C) Liver phosphorylase (D) muscle phosphorylase
Description : Tarui disease is characterized by the deficiency of the enzyme: (A) Liver phosphorylase (B) Muscle phosphorylase (C) Muscle and erythrocyte phosphofructokinase (D) Lysosomal acid maltase
Last Answer : Answer : C
Description : In conversion of lactic acid to glucose, three reactions of glycolytic pathway are circumvented, which of the following enzymes do not participate? (A) Pyruvate carboxylase (B) Phosphoenol pyruvate carboxy kinase (C) Pyruvate kinase (D) Glucose-6-phosphatase
Description : In conversion of Lactic acid to Glucose, three reactions of Glycolytic pathway are circumvented, which of the following enzymes do not participate? (A) Pyruvate Carboxylase (B) Phosphoenol pyruvate carboxy kinase (C) Pyruvate kinase (D) Glucose-6-phosphatase
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Description : Which of the following enzyme typically elevated in alcoholism? (A) Serum ALP (B) Serum GOT (C) Serum γ-GT (D) Serum acid phosphatase
Description : Which of the following is known as bone forming enzyme? (A) Alkaline phosphatase (B) Acid phosphatase (C) Leucine aminopeptidase (D) γ-glutamyl transpeptidase
Description : The first enzyme found to have isoenzymes was (A) Alkaline Phosphatase (B) Lactate dehydrogenase (C) Acid Phosphatase (D) Creatine kinase
Description : Which enzyme hydrolyses starch? (A) Invertase (B) Maltase (C) Sucrase (D) Diastase
Description : Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase
Description : Which one of the following enzymes requires a coenzyme derived from the vitamin whose structure is shown below? (A) Enoyl CoA hydratase (B) Phosphofructokinase (C) Glucose-6-phosphatase (D) Glucose-6-phosphate dehydrogenase
Description : Glucose-6-phosphatase and PEP carboxy kinase are regulated by (A) Covalent modification (B) Allosteric regulation (C) Induction and repression (D) All of these
Description : Von Gierke’s disease is characterized by the deficiency of (A) Glucose-6-phosphatase (B) α -1→ 4 Glucosidase (C) 1→ 6 Glucosidase (D) Liver phosphorylase
Description : The hydrolysis of glucose-6-PO4 is catalyzed by a phosphatase that is not found in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine
Description : The hydrolysis of Glucose-6-P is catalysed by a phosphatase that is not formed in which of the following? (A) Liver (B) Kidney (C) Muscle (D) Small intestine
Description : The hydrolysis of Glucose-6-phosphate is catalysed by a specific phosphatase which is found only in (A) Liver, intestines and kidneys (B) Brain, spleen and adrenals (C) Striated muscle (D) Plasma
Description : The 4 rate limiting enzymes of gluconeogenesis are (A) Glucokinase, Pyruvate carboxylae phosphoenol pyruvate carboxykinase and glucose-6-phosphatase (B) Pyruvate carboxylase, phosphoenol ... fructokinase, pyruvate carboxylase, phosphoenol pyruvate carboxykinase and fructose 1, 6 diphosphatase
Description : Ethanol decreases gluconeogenesis by (A) Inhibiting glucose-6-phosphatase (B) Inhibiting PEP carboxykinase (C) Converting NAD+ into NADH and decreasing the availability of pyruvate (D) Converting NAD+ into NADH and decreasing the availability of lactate
Description : Glucose-6-phosphatase is absent or deficient in (A) Von Gierke’s disease (B) Pompe’s disease (C) Cori’s disease (D) McArdle’s disease
Description : Glucose-6-phosphatase is not present in (A) Liver and kidneys (B) Kidneys and muscles (C) Kidneys and adipose tissue (D) Muscles and adipose tissue
Description : Branching occurs in glycogen approximately after every (A) Five glucose units (B) Ten glucose units (C) Fifteen glucose units (D) Twenty glucose units
Description : Taenia saginata differs from Taenia solium in (a) absence of scolex hooks (b) absence of scolex hooks and uterine branching (c) absence of scolex hooks and presence of both male and female reproductive organs (d) presence of scolex hooks.
Last Answer : (a) absence of scolex hooks
Description : Hemolytic anemia is caused by the deficiency of certain enzymes of the pentose phosphate pathway, the principal enzyme involved is (A) Glucose-6-phosphate dehydrogenase (B) Aldolase (C) Fructose 1, 6-bisphosphatase (D) Phosphohexose isomerase
Description : Cobalt may act as cofactor for the enzyme: (A) Glycl-glycine dipeptidase (B) Elastase (C) Polynucleotidases (D) Phosphatase
Description : Cellulose, the most important constituent of plant cell wall is made up of (a) branched chain of glucose molecules linked by β-1, 4 glycosidic bond in straight chain and α-1, 6 glycosidic bond ... the site of branching (d) unbranched chain of glucose molecules linked by α-1, 4 glycosidic bond.
Last Answer : (b) unbranched chain of glucose molecules linked by β-1, 4 glycosidic bond
Description : In sugarcane plant 14CO2 is fixed to malic acid, in which the enzyme that fixes CO2 is (a) ribulose biphosphate carboxylase (b) phosphoenol pyruvic acid carboxylase (c) ribulose phosphate kinase (d) fructose phosphatase.
Last Answer : (b) phosphoenol pyruvic acid carboxylase
Description : _____ from the mold Aspergillus oryzaeis used as a spot remover in laundry presoaks, as an adhesive, and in baking, where it digests starch to glucose. a. Amylase b. Lactase c. Sucrase d. Maltase
Last Answer : a. Amylase
Description : Galactosemia is due the absence of which enzyme?
Last Answer : Galactose-1-phosphate uridyl transferase.
Description : Enzyme maltase of human gut acts on food at
Last Answer : Enzyme maltase of human gut acts on food at A. More than 7 to change startch into maltose. B ... glucose D. Less than 7 to change maltose into glucose