Description : Pyridoxal phosphate is a coenzyme for (A) Glycogen synthetase (B) Phosphorylase (C) Both (A) and (B) (D) None of these
Last Answer : Answer : B
Description : Which of the following coenzyme takes part in oxidation-reduction reactions? (A) Pyridoxal phosphate (B) Lipoic acid (C) Thiamin diphosphate (D) None of these
Description : Sulphur containing coenzyme is (A) NAD (B) FAD (C) Pyridoxal phosphate (D) Biotin
Last Answer : Answer : D
Description : Vitamin B2 is component of coenzyme: (A) Pyridoxal phosphate (B) TPP (C) NAD (D) FMN/FAD
Description : A coenzyme required for the synthesis of glycine from serine is (A) ATP (B) Pyridoxal phosphate (C) Tetrahydrofolate (D) NAD
Last Answer : Answer : C
Last Answer : (B) Phosphorylase
Description : Cocarboxylase is (A) Thiamine pyrophosphate (B) Pyridoxal phosphate (C) Biotin (D) CoA
Description : Of Which warburg’s yellow enzyme contains as a prosthetic group? (A) Thiamine pyrophosphate (B) Biotin (C) NAD+ (D) Riboflavin-5-phosphate
Description : For synthesis of sphingosine, all the following coenzymes are required except (A) Pyridoxal phosphate (B) NADPH (C) FAD (D) NAD
Description : Which of the following coenzyme is required for porphyrin synthesis? (A) Coenzyme A (B) Pyridoxal phosphate (C) Both (A) and (B) (D) None of these
Description : A coenzyme required in transamination reactions is (A) Coenzyme A (B) Coenzyme Q (C) Biotin (D) Pyridoxal phosphate
Description : Pyridoxal phosphate is required as a coenzyme in (A) Transamination (B) Transulphuration (C) Desulphydration (D) All of these
Description : Pyridoxal phosphate is a coenzyme for (A) Glutamate oxaloacetate transaminase (B) Glutamate pyruvate transaminase (C) Tyrosine transaminase (D) All of these
Description : The vitamin required as coenzyme for the action of transaminases is (A) Niacin (B) Pantothenic acid (C) Pyridoxal phosphate (D) Riboflavin
Description : NAD is required as a coenzyme for (A) Malate dehydrogenase (B) Succinate dehydrogenase (C) Glucose-6-phosphate dehydrogenase (D) HMG CoA reductae
Last Answer : Answer : A
Description : Transketolase has the coenzyme: (A) NAD+ (B) FP (C) TPP (D) Pyridoxol phosphate
Last Answer : C
Description : ‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin (A) Pyridoxal (B) Thiamin (C) Pantothenic acid (D) Cobalamin
Description : An important reaction for the synthesis of amino acid from carbohydrate intermediates is transamination which requires the cofactor: (A) Thiamin (B) Riboflavin (C) Niacin (D) Pyridoxal phosphat
Description : Decarboxylation of α-keto acids requires (A) Thiamine pyrophosphate, FAD, NAD+ (B) Flavin mononucleotide (C) NADP+ (D) NAD+ only
Description : The oxidation of lactic acid to pyruvic acid requires the following vitamin derivative as the hydrogen carrier. (A) Lithium pyrophosphate (B) Coenyzme A (C) NAD+ (D) FMN
Last Answer : (A) Pyridoxal
Description : A component of the respiratory chain in mitochondria is (A) Coenzyme Q (B) Coenzyme A (C) Acetyl coenzyme (D) Coenzyme containing thiamin
Description : Coenzyme A contains a vitamin which is (A) Thiamin (B) Ascorbic acid (C) Pantothenic acid (D) Niacinamide
Description : A common substrate of HGPRTase, APRTase and PRPP glutamyl amidotransferase is (A) Ribose 5 phosphate (B) Phosphoribosyl pyrophosphate (C) Hypoxanthine (D) Adenosine
Description : The major determinant of the overall rate of denovo purine nucleotide biosynthesis is the concentration of (A) 5-phosphoribosyl 1-pyrophosphate (B) 5-phospho β-D-ribosylamine (C) Glycinamide ribosyl-5-phosphate (D) Formylglycinamide ribosyl-5-phosphate
Description : The key substance in the synthesis of purine, phosphoribosyl pyrophosphate is formed by (A) α-D-ribose 5-phosphate (B) 5-phospho β-D-ribosylamine (C) D-ribose (D) Deoxyribose
Description : Both folic acid and methyl cobalamin (vitamin B12) are required in (A) Deamination of serine (B) Deamination of threonine (C) Conversion of pyridoxal phosphate to pyridoxamine phosphate (D) Methylation of homocystein to methionine
Description : Pyridoxal phosphate is central to (A) Deamination (B) Amidation (C) Carboxylation (D) Transamination
Description : All of the following are required for synthesis of glutamine except (A) Glutamate (B) Ammonia (C) Pyridoxal phosphate (D) ATP
Description : All of the following are required for synthesis of alanine except (A) Pyruvate (B) α-ketoglutarate (C) Glutamate (D) Pyridoxal phosphate
Description : Oxidative decarboxylation of pyruvate requires (A) NADP+ (B) Cytichromes (C) pyridoxal phosphate (D) COASH
Last Answer : D
Description : Rotenone inhibits the respiratory chain at (A) FMN → coenzyme Q (B) NAD → FMN (C) Coenzyme Q → cyt b (D) Cyt b → Cyt c1
Description : Reducing equivalents from succinate enter the mitochondrial respiratory chain at (A) NAD (B) Coenzyme Q (C) FAD (D) Cyt c
Description : Reducing equivalents from pyruvate enter the mitochondrial respiratory chain at (A) FMN (B) NAD (C) Coenzyme Q (D) Cyt b
Description : Transaminase activity needs the Coenzyme: (A) ATP (B) B6-PO4 (C) FADT (D) NAD+
Description : All the isoenzymes function with the coenzyme: (A) NADP+ (B) FAD (C) Lipoate (D) NAD+
Description : The coenzyme involved in dehydrogenation of 3-hydroxy acyl-CoA is (A) FAD (B) FMN (C) NAD (D) NADP
Description : In β-oxidation, the coenzyme for acyl-CoA dehydrogenase is (A) FMN (B) NAD (C) NADP (D) FAD
Description : The coenzyme not involved in the formation of acetyl-CoA from pyruvate is (A) TPP (B) Biotin (C) NAD (D) FAD
Description : A coenzyme containing non aromatic hetero ring is (A) ATP (B) NAD (C) FMN (D) Biotin
Description : An examp le of group transferr ing coenzyme is (A) NAD+ (B) NADP+ (C) FAD (D) CoA
Description : An example of hydrogen transferring coenzyme is (A) CoA (B) NAD+ (C) Biotin (D) TPP
Description : Retinal is reduced to retinol by retinene reductase in presence of the coenzyme (A) NAD+ (B) NADP+ (C) NADH + H+ (D) NADPH + H+
Description : The coenzyme required for conversion of pyruvate to oxaloacetate is (A) FAD (B) NAD (C) TPP (D) Biotin
Description : Fatty acid synthesis takes place in the presence of the coenzyme: (A) NAD+ (B) Reduced NAD (C) NADP+ (D) Reduced NADP
Description : Acyl-CoA dehydrogenase converts Acyl CoA to α-β unsaturated acyl-CoA in presence of the coenzyme: (A) NAD+ (B) NADP+ (C) ATP (D) FAD
Description : The transaminase activity needs the coenzyme: (A) ATP (B) B6 – PO4 (C) FAD+ (D) NAD+
Description : The enzyme that converts glucose to glucose-6-phosphate is (A) Phosphatase (B) Hexokinase (C) Phosphorylase (D) Glucose synthetase
Description : Glycogen phosphorylase liberates the following from glycogen (A) Glucose (B) Glucose-6-phosphate (C) Glucose-1-phosphate (D) Maltose
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