Description : Galactose 1-phosphate is converted to uridine diphosphate galactose, the reaction is catalysed by the enzyme: (A) Glactokinase (B) Galactose 1-phosphate uridyl transferase (C) Uridine diphospho galactose 4-epimerase (D) UDP glucose pyrophosphorylase
Last Answer : Answer : B
Description : A substrate for the enzyme aldolase is (A) galactose-6-phosphate (B) isocitric acid (C) Glucose-1-phosphate (D) Fructose 1, 6 diphosphate
Last Answer : Answer : D
Description : UDPG is oxidized to UDP glucuronic acid by UDP dehydrogenase in presence of (A) FAD+ (B) NAD+ (C) NADP+ (D) ADP+
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 : UDP Glucuronic acid is required for the biosynthesis of (A) Chondroitin sulphates (B) Glycogen (C) Lactose (D) Starch
Last Answer : A
Description : Conversion of uridine diphosphate into deoxyuridine diphosphate requires all the following except (A) Ribonucleotide reductase (B) Thioredoxin (C) Tetrahydrobiopterin (D) NADPH
Last Answer : Answer : C
Description : Oxidation of galactose with conc HNO3 yields (A) Mucic acid (B) Glucuronic acid (C) Saccharic acid (D) Gluconic acid
Description : Repeating units of hyaluronic acid are (A) N-acetyl glucosamine and D-glucuronic acid (B) N-acetyl galactosamine and D-glucuronic acid (C) N-acetyl glucosamine and galactose (D) N-acetyl galactosamine and L- iduronic acid
Description : Insulin decreases the synthesis of (A) Hexokinase (B) Glucokinase (C) PEP carboxykinase (D) Glycogen synthetase
Description : Which of the following nucleoside diphosphates is used most often in carbohydrate anabolism? A.Uridine diphosphate B.Adenosine diphosphate C.Guanine diphosphate D.Thymine diphosphate
Last Answer : A.Uridine diphosphate
Description : Glycogen synthetase activity is depressed by (A) Glucose (B) Insulin (C) Cyclic AMP (D) Fructokinase
Description : Starch and glycogen are polymers of (A) Fructose (B) Mannose (C) α−D-Glucose (D) Galactose
Description : An essential for converting Glucose to Glycogen in Liver is (A) Lactic acid (B) GTP (C) CTP (D) UTP CARBOHYDRATES AND CARBOHYDRATE METABOLISM 19
Last Answer : D
Description : Galactose is phosphorylated by galactokinase to form (A) Galactose-6-phosphate (B) Galactose-1, 6 diphosphate (C) Galactose-1-phosphate (D) All of these
Description : Spermatozoa in seminal fluid utilises the following sugar for metabolism: (A) Galactose (B) Glucose (C) Sucrose (D) Fructose
Description : The ultimate respiratory substrate, yielding maximum number of ATP molecules, is (a) glycogen (b) ketogenic amino acid (c) glucose (d) amylose.
Last Answer : (c) glucose
Description : Two examples of substrate level phosphorylation in EM pathway of glucose metabolism are in the reactions of (A) 1,3 bisphosphoglycerate and phosphoenol pyruvate (B) Glucose-6 phosphate ... phosphate (C) 3 phosphoglyceraldehyde and phosphoenolpyruvate (D) 1,3 diphosphoglycerate and 2-phosphoglycerate
Description : Glycogen is a polymer of (a) galactose (b) glucose (c) fructose (d) sucrose
Last Answer : (b) glucose
Description : Reduction of Glucose with Ca++ in water produces (A) Sorbitol (B) Dulcitol (C) Mannitol (D) Glucuronic acid
Description : A substance that is not an intermediate in the formation of D-glucuronic acid from glucose is (A) Glucoss-1-p (B) 6-Phosphogluconate (C) Glucose-6-p (D) UDP-Glucose
Description : For glycogenesis, Glucose should be converted to (A) Glucuronic acid (B) Pyruvic acid (C) UDP glucose (D) Sorbitol
Description : Glucose on oxidation does not give (A) Glycoside (B) Glucosaccharic acid (C) Gluconic acid (D) Glucuronic acid
Description : In the synthesis of glycogen from glucose the reversible step is (A) Glucose → glucose 6-phosphate (B) Glucose 6-phosphate → glucose 1-phosphate (C) Glucose 1-phosphate → UDP glucose (D) UDP glucose → glycogen
Description : In the glycogen synthesis, which is the active glucose derivative?
Last Answer : UDP-glucose.
Description : All the enzymes required for de novo synthesis of pyrimidine nucleotides are cytosolic except (A) Carbamoyl phosphate synthetase (B) Aspartate transcarbamoylase (C) Dihydro-orotase (D) Dihydro-orotate dehydrogenase
Description : An enzyme required for the synthesis of thyroid hormones is (A) Iodinase (B) Deiodinase (C) Thyroperoxidase (D) Thyroxine synthetase
Description : An enzyme required for the synthesis of ketone bodies as well as cholesterol is (A) Acetyl CoA carboxylase (B) HMG CoA synthetase (C) HMG CoA reductase (D) HMG CoA lyase
Description : Glycogen synthetase catalyses the formation of (A) α−1, 4-Glycosidic bonds (B) α−1, 6-Glycosidic bonds (C) Both (A) and (B) (D) None of these
Last Answer : Answer : A
Description : Insulin has no effect on the activity of the enzyme: (A) Glycogen synthetase (B) Fructokinase (C) Pyruvate kinase (D) Pyruvate dehydrogenase
Description : Pyridoxal phosphate is a coenzyme for (A) Glycogen synthetase (B) Phosphorylase (C) Both (A) and (B) (D) None of these
Description : Which of the following statement(s) is/are true concerning metabolic derangements in sepsis and the systemic inflammatory response syndrome which may follow progressive shock? a. Alterations in glucose ... The serum aromatic amino acids fall rapidly as they are actively used in oxidative metabolism
Last Answer : Answer: b, c A broad spectrum of metabolic abnormalities become apparent in sepsis and the systemic inflammatory response syndrome following shock. Disruption of the normal cycles of carbohydrate, ... acetyl coenzyme A. This results in reduced serum level of leucine, isoleucine and valine
Description : Regarding retinal metabolism: a. insulin is essential for the uptake of glucose by the retina b. anaerobic metabolism predominates c. the pigment retinal epithelium stores glycogen and supplies the need of the retina d. the demand of oxygen is met entirely by the central retinal artery
Last Answer : anaerobic metabolism predominates
Description : The polysaccharide used in assessing the glomerular fittration rate (GFR) is (A) Glycogen (B) Agar (C) Inulin (D) Hyaluronic acid CARBOHYDRATES AND CARBOHYDRATE METABOLISM 7
Description : Fatty acids can not be converted into carbohydrates in the body, as the following reaction is not possible: (A) Conversion of glucose-6-phosphate into glucose (B) Fructose 1, 6 diphosphate to ... phosphate (C) Transformation of acetyl CoA to pyruvate (D) Formation of acetyl CoA from fatty acids
Description : Adipose tissue which is a store house for triacyl glycerol synthesis the same using (A) The glycerol released by hydrolysis of triacyl glycerol (B) The glycerol-3-phosphate obtained in the metabolism of glucose (C) 2-phosphoglycerate (D) 3-phosphoglycerate
Description : Which of the following is present as a marker in lysosomal enzymes to direct them to their destination? (A) Glucose-6-phosphate (B) Mannose-6-phosphate (C) Galactose-6-phosphate (D) N-Acetyl neuraminic acid
Description : The effects of glucocorticoid hormones include: a. increase hepatic glycogen synthesis b. decrease glucose uptake by the adipose tissue c. decrease hepatic gluconeogesis d. increase protein synthesis in the skeletal muscles
Last Answer : . increase hepatic glycogen synthesis
Description : Action of Insulin does not include the following: A. Facilitation of glucose transport into cells B. Facilitation of glycogen synthesis by liver C. Facilitation of neoglucogenesis by liver D. Inhibition of lipolysis in adipose tissue
Last Answer : . Facilitation of neoglucogenesis by liver
Description : Insulin increases (A) Protein synthesis (B) Fatty acid synthesis (C) Glycogen synthesis (D) All of these
Description : Acyl carrier protein is involved in the synthesis of (A) protein (B) glycogen (C) fatty acid outside the mitochondria (D) fatty acid in the mitochondria
Description : Orotic aciduria can be controlled by (A) Oral administration of orotic acid (B) Decreasing the dietary intake of orotic acid (C) Decreasing the dietary intake of pyrimidines (D) Oral administration of uridine
Description : An essential agent for converting glucose to glycogen in liver is (A) Latic acid (B) GTP (C) UTP (D) Pyruvic acid
Description : Glycogen while being acted upon by active phosphorylase is converted first to (A) Glucose (B) Glucose 1-phosphate and Glycogen with 1 carbon less (C) Glucose-6-phosphate and Glycogen with 1 carbon less (D) 6-Phosphogluconic acid
Last Answer : (B) Phosphorylase
Description : Thiamin diphosphate is required for oxidative decarboxylation of (A) α-Keto acids (B) α-Amino acids (C) Fatty acids (D) All of these
Description : A polysaccharide which is synthesized and stored in liver cells is (a) arabinose (b) glycogen (c) lactose (d) galactose.
Last Answer : (b) glycogen
Description : The pyrimidine nucleotide acting as the high energy intermediate is (A) ATP (B) UTP (C) UDPG (D) CMP
Description : Which of the following is required as inducer(s) for the expression of Lac operon? (a) Lactose (b) Lactose and galactose (c) Glucose (d) Galactose
Last Answer : (c) Glucose
Last Answer : Lactose
Description : All the following statements about primary gout are true except (A) Its inheritance is X-linked recessive (B) It can be due to increased activity of PRPP synthetase (C) It can be ... activity of hypoxanthine guanine phosphoribosyl transferase (D) De novo synthesis of purines is increased in it