Description : Conversion of Alanine to carbohydrate is termed: (A) Glycogenesis (B) Gluconeogenesis (C) Glycogenolysis (D) Photosynthesis
Last Answer : B
Description : Tissues form lactic acid from glucose. This phenomenon is termed as (A) Aerobic glycolysis (B) Oxidation (C) Oxidative phosphorylation (D) Anaerobic glycolysis
Last Answer : D
Description : Synthesis of Glucose from amino acids is termed as (A) Glycolysis (B) Gluconeogenesis (C) Glycogenesis (D) Lipogenesis
Description : Which one of the following statements is incorrect? (A) Insulin increases glucose phosphorylation (B) Insulin increases glycolysis (C) Insulin augments HMP shunt (D) Insulin promotes gluconeogenesis
Last Answer : Answer : D
Description : Growth hormone causes hyperglycemia. It is a result of (A) Decreased peripheral utilization of glucose (B) Decreased hepatic production via gluconeogenesis (C) Increased glycolysis in muscle (D) Decrersed lipolysis
Last Answer : Answer : A
Description : Phlorizin inhibits (A) Renal tubular reabsorption of glucose (B) Glycolysis (C) Gluconeogenesis (D) Glycogenolysis
Description : Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/FADH2 in (a) respiratory chain (b) Krebs’ cycle (c) oxidative decarboxylation (d) EMP.
Last Answer : (a) respiratory chain
Description : Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle
Last Answer : a. Oxidative Phosphorylation
Description : Pyruvate is converted into acetyl-CoA by (A) Decarboxylation (B) Dehydrogenation (C) Oxidative decarboxylation (D) Oxidative deamination
Last Answer : Answer : C
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 cofactor required in oxidative decarboxylation of pyruvate is (A) Lipoate (B) Pantothenic acid (C) Biotin (D) Para aminobenzoic acid
Description : Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation
Description : NADPH required for fatty acid synthesis can come from (A) Hexose monophosphate shunt (B) Oxidative decarboxylation of malate (C) Extramitochondrial oxidation of isocitrate (D) All of these
Description : Which co-enzyme is not involved in oxidative decarboxylation of pyruvic acid? (A) TPP (B) Mg++ (C) Biotin (D) CoA-SH
Description : Histidine is converted to histamine through the process of (A) Transamination (B) Decarboxylation (C) Oxidative deamination (D) Urea cycle
Last Answer : Answer : B
Description : The following co-enzyme is needed for the oxidative decarboxylation of ketoacids: (A) NADP+ (B) TPP (C) Folate coenzyme (D) Biotin coenzyme
Description : Oxidative decarboxylation of pyruvate requires (A) NADP+ (B) Cytichromes (C) pyridoxal phosphate (D) COASH
Description : Pyruvate dehydrogenase complex and α-ketoglutarate dehydrogenase complex require the following for their oxidative decarboxylation: (A) COASH and Lipoic acid (B) NAD+ and FAD (C) COASH and TPP (D) COASH, TPP,NAD+,FAD, Lipoate
Description : What are the co-enzymes necessary for oxidative decarboxylation of pyruvate?
Last Answer : Thiamine pyrophosphate, NAD, FAD, Lipoic acid, Co-enzyme A.
Description : The amino acid that undergoes oxidative deamination at significant rate is (A) Alanine (B) Aspartate (C) Glutamate (D) Glutamine
Description : Epinephrine causes in muscle: (A) Gluconeogenesis (B) Glycogenesis (C) Glycolysis (D) Glycogenolysis
Description : Most major metabolic pathways are considered mainly either anabolic or catabolic. Which of the following pathway is most correctly considered to be amphibolic? (A) Citric acid cycle (B) Gluconeogenesis (C) Lipolysis (D) Glycolysis
Description : NADP is required as a coenzyme in (A) Glycolysis (B) Citric acid cycle (C) HMP shunt (D) Gluconeogenesis
Description : An amphibolic pathway among the following is (A) HMP shunt (B) Glycolysis (C) Citirc acid cycle (D) Gluconeogenesis
Last Answer : C
Description : Net gain of ATP during oxidative decarboxylation of pyruvic acid? -Biology
Last Answer : answer:
Last Answer : (A) Oxidative decarboxylation
Description : During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP? (a) Glycolysis (b) Krebs’ cycle (c) Conversion of pyruvic acid to acetyl CoA (d) Electron transport chain
Last Answer : (d) Electron transport chain
Description : Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalysed by (a) phosphofructokinase (b) aldolase (c) hexokinase (d) enolase.
Last Answer : (c) hexokinase
Description : The sequential steps in the conversion of tyrosine to epinephrine are (A) Ring hydroxylation-decarboxylation-side chain hydroxylation-N-methylation (B) Side chain hydroxylation-decarboxylation- ... chain hydroxylation-N-methylation (D) N-methylation-decarboxylation-ring and side chain hydroxylation
Description : Which of these statements is incorrect? (a) Enzymes of TCA cycle are present in mitochondrial matrix. (b) Glycolysis occurs in cytosol. (c) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Last Answer : (d) Oxidative phosphorylation takes place in outer mitochondrial membrane
Description : Which of these statements is incorrect ? (1) Enzymes of TCA cycle are present in mitochondrial matrix. (2) Glycolysis occurs in cytosol. (3) Glycolysis operates as long as it is supplied ... that can pick up hydrogen atoms. (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Last Answer : (4) Oxidative phosphorylation takes place in outer mitochondrial membrane.
Description : Reverse of Glycolysis is _________________. a. Glycogenolysis. b. Citric Acid Cycle. c. Gluconeogenesis. d. Uronic Acid Pathway
Last Answer : c. Gluconeogenesis.
Description : Oxidative conversion of many amino acids to their corresponding -ketoacids occurs in mammalian: (A) Liver and kidney (B) Adipose tissue (C) Pancreas (D) Intestine
Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production
Description : The phenomenon of inhibition of glycolysis by O2 is termed as (A) Red drop (B) Pasteur effect (C) Michaelis effect (D) Fischer’s effect
Description : Excessive secretion of glucocorticoids raises blood glucose by (A) Decreasing glycogenesis (B) Increasing glycogenolysis (C) Increasing gluconeogenesis (D) Inhibiting HMP shunt
Description : Insulin increases (A) Glycogenesis (B) Gluconeogenesis (C) Lipolysis (D) Blood glucose
Description : Insulin decreases (A) Glycogenesis (B) Glyolysis (C) Gluconeogenesis (D) Tubular reabsorption of glucose
Description : The glycerol for fatty acid esterification in adipocytes is (A) For the most part, derived from glucose (B) Obtained primarily from phosphorylation of glycerol by glycerol kinase (C) Formed from gluconeogenesis (D) Formed from glycogenolysis ENZYMES 153
Description : Ketosis reflects (A) Increased hepatic glucose liberation (B) Increased fatty acid oxidation (C) Increased carbohydrate utilisation (D) Incresed gluconeogenesis
Description : The process of breakdown of glycogen to glucose in the liver and pyruvate and lacate in the muscle is known as (A) Glyogenesis (B) Glycogenolysis (C) Gluconeogenesis (D) Cellular degradation
Description : The synthesis of glucose from pyruvate by gluconeogenesis (A) Requires the participation of biotin (B) Occurs exclusively in the cytosol (C) Is inhibited by elevated level of insulin (D) Requires oxidation/reduction of FAD
Last Answer : A
Description : Which of the following reactions is unique to gluconeogenesis? (A) Lactate Pyruvate (B) Phosphoenol pyruvate pyruvate (C) Oxaloacetate phosphoenol pyruvate (D) Glucose-6-phosphate Fructose-6-phosphate
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 : Blood glucose level can be raised by gluconeogenesis only by liver, why?
Last Answer : Glucose-6-phosphatase is present only in liver.
Description : Formation of melanin from tyrosine requires the action of (A) Dopa decarboxylation (B) Diamine oxidase (C) Peroxidase (D) Tyrosinase
Description : Specific dynamic action of proteins is about (A) 5% (B) 13% (C) 20% (D) 30%
Description : Specific dynamic action of carbohydrates is about (A) 5% (B) 13% (C) 20% (D) 30%
Description : Calorific value of proteins in a living person is less than that in a bomb calorimeter because (A) Digestion and absorption of proteins is less than 100% (B) Respiratory quotient of proteins ... Specific dynamic action of proteins is high (D) Proteins are not completely oxidized in living persons