Sulphur is not present in (A) Thiamine (B) Lipic acid (C) Thymine (D) Biotin

1 Answer

Answer :

Answer :  C

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Description : Of Which warburg’s yellow enzyme contains as a prosthetic group? (A) Thiamine pyrophosphate (B) Biotin (C) NAD+ (D) Riboflavin-5-phosphate

Last Answer : Answer : D

Description : Cocarboxylase is (A) Thiamine pyrophosphate (B) Pyridoxal phosphate (C) Biotin (D) CoA

Last Answer : Answer : C

Description : Fully activated pyruvate carboxylase depends upon the presence of (A) Malate and Niacin (B) Acetyl CoA and biotin (C) Acetyl CoA and thiamine pyrophosphate (D) Oxaloacetate and biotin

Last Answer : Answer : B

Description : Transketolase activity is affected in (A) Biotin deficiency (B) Pyridoxine deficiency (C) PABA deficiency (D) Thiamine deficiency

Last Answer : B

Description : Fat soluble vitamins are – (1) Tocopherol, Niacin, Cyanocobalamin (2) Calciferol, Carotene, Tocopherol (3) Ascorbic acid, Calciferol, Riboflavin (4) Thiamine, Carotene, Biotin

Last Answer : (2) Calciferol, Carotene, Tocopherol Explanation: Calciferol (Vitamin D): Tocopherols and tocotrienols (Vitamin E); Phylloquinone, menaquinones (Vitamin K); and Retinol, retinal, and four carotenoids including beta carotene (Vitamin Al are all fat soluble vitamins.

Description : Fat soluble vitamins are (1) Tocopherol, Niacin, Cyanocobalamin (2) Calciferol, Carotene, Tocopherol (3) Ascorbic acid, Calciferol, Riboflavin (4) Thiamine, Carotene, Biotin

Last Answer : Calciferol, Carotene, Tocopherol

Description : Defeciency of following vitamin decreases hemoglobin production ? A. Biotin B. Thiamine C. Niacin D. Pyridoxine (Answer) E. None of these

Last Answer : D. Pyridoxine (Answer)

Description : Sulphur containing coenzyme is (A) NAD (B) FAD (C) Pyridoxal phosphate (D) Biotin

Last Answer : Answer : D

Description : A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein

Last Answer : Answer : A

Description : The sulphur containing vitamins among the following B Vitamin is (A) Thiamine (B) Riboflavin (C) Niacin (D) Pyridoxine

Last Answer : Answer : A

Description : The sulphur-containing vitamins among the following B-Vitamin is (A) Thiamine (B) Riboflavin (C) Niacin (D) Pyridoxine

Last Answer : Answer : A

Description : Which of the following cofactors or their derivatives must be present for the conversion of acetyl CoA to malonyl CoA extramitochondrial fatty acid synthesis? (A) Biotin (B) FAD (C) FMN (D) ACP

Last Answer : Answer : A

Description : In RNA, apart from ribose and phosphate, all following are present except (A) Adenine (B) Guanine (C) Thymine (D) Cytosine

Last Answer : Answer : C

Description : Whcih of the following compound is present in RNA but absent from DNA? (A) Thymine (B) Cytosine (C) Uracil (D) Guanine

Last Answer : Answer : C

Description : Thymine is present in (A) tRNA (B) Ribosomal RNA (C) Mammalian mRNA(D) Prokaryotic mRNA

Last Answer : Answer : A

Description : The nitrogenous base present in the RNA molecule is (A) Thymine (B) Uracil (C) Xanthine (D) Hypoxanthine

Last Answer : Answer : B

Description : Which of the following elements is a constituent of biotin? (a) Magnesium (b) Calcium (c) Phosphorus (d) Sulphur

Last Answer : (d) Sulphur

Description : Acid hydrolysis of ribonucleic acid would yield the following major products: (A) d- deoxyribose, cytosine, adenine (B) d-ribose, thymine, Guanine (C) d-ribose, cytosine, uracil, thymine (D) d-ribose, uracil, adenine, guanine, cytosine

Last Answer : Answer : D

Description : Which of the following statements about nucleic acid is most correct? (A) Both pentose nucleic acid and deoxypentose nucleic acid contain the same pyrimidines (B) Both pentose nucleic acid and deoxypentose ... (C) RNA contains cytosine and thymine (D) DNA and RNA are hydrolysed by weak alkali

Last Answer : Answer : B

Description : Cobalt is a constituent of (A) Folic acid (B) Vitamin B12 (C) Niacin (D) Biotin

Last Answer : Answer : B

Description : A coenzyme required in carboxylation reactions is (A) Lipoic acid (B) Coenzyme A (C) Biotin (D) All of these

Last Answer : Answer : C

Description : A cofactor required for the conversion of acetyl-CoA to malonyl-CoA in extramitochondrial fatty acid synthesis is (A) Biotin (B) FMN (C) NAD (D) NADP

Last Answer : Answer : A

Description : A coenzyme containing aromatic hetero ring is (A) TPP (B) Lipoic acid (C) Coenzyme Q (D) Biotin

Last Answer : Answer : A

Description : A cofactor required in oxidative decarboxylation of pyruvate is (A) Lipoate (B) Pantothenic acid (C) Biotin (D) Para aminobenzoic acid

Last Answer : Answer : A

Description : Consumption of raw eggs can cause deficiency of (A) Biotin (B) Pantothenic acid (C) Riboflavin (D) Thiamin

Last Answer : Answer : A

Description : Vitamin required in conversion of folic acid to folinic acid is (A) Biotin (B) Cobalamin (C) Ascorbic acid (D) Niacin

Last Answer : Answer : C

Description : Avidin is antigonistic to (A) Niacin (B) PABA (C) Biotin (D) Pantothenic acid

Last Answer : Answer : C

Description : De novo synthesis of fatty acids requires all of the following except (A) Biotin (B) NADH (C) Panthothenic acid (D) ATP

Last Answer : Answer : D

Description : Acyl Carrier Protein contains the vitamin: (A) Biotin (B) Lipoic acid (C) Pantothenic acid (D) Folic acid

Last Answer : Answer : C

Description : Which co-enzyme is not involved in oxidative decarboxylation of pyruvic acid? (A) TPP (B) Mg++ (C) Biotin (D) CoA-SH

Last Answer : Answer : C

Description : Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis

Last Answer : Answer : D

Description : Consumption of raw eggs can cause deficiency of (A) Calcium (B) Lipoic acid (C) Biotin (D) Vitamin A

Last Answer : Answer : C

Description : The conversion of pyruvate to acetyl CoA and CO2 (A) Is reversible (B) Involves the participation of lipoic acid (C) Depends on the coenzyme biotin (D) Occurs in the cytosol

Last Answer : B

Description : Consider the following statements: (1) Copper is present in cytochrome oxidane (2) Pantothenic acid is precursor of co-enzyme-A (3) Thiamine prohosphate is the prosthetic group in decarboxylases (4) Zinc is present in RNA and DNA polymerases

Last Answer : Ans. ((b))

Description : Coenzyme A contains the vitamin: (A) Riboflavin (B) Pantothenic acid (C) Pyridoxine (D) Thiamine

Last Answer : Answer : B

Description : Increased protein intake is accompanied by an increased dietary requirement for (A) Thiamine (B) Riboflavine (C) Folic acid (D) Nicotininic acid

Last Answer : Answer : A

Description : Increased carbohydrate consumption increases the dietary requirement for (A) Thiamine (B) Riboflavine (C) Pyridoxine (D) Folic acid

Last Answer : Answer : A

Description : During deficiency of thiamine the concentration of the following compound rises in blood and intracellular fluid: (A) Glycogen (B) Sugar (C) Amino acids (D) Pyruvic acid

Last Answer : Answer : D

Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Description : The three vitamins which are specially required for proper nerve functions are (A) Thiamine, Niacin and Riboflavin (B) Thiamin, Folic acid, Choline (C) Thiamine, Riboflavin, Pantothenic acid (D) Thiamine, Pyridoxin, Vitamin B12

Last Answer : Answer : D

Description : Convulsive episodes occur when there is a severe deficiency of: (A) Pyridoxine (B) Folic acid (C) Thiamine (D) Riboflavin

Last Answer : Answer : A

Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Description : Methyl malonic aciduria is seen in the deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Description : The three vitamins which are specially required for proper nerve functions are acid: (A) Thiamine, niacin and riboflavin (B) Thiamine, folic acid, choline (C) Thiamine, riboflavin, patothenic acid (D) Thiamine, pyridoxin, vitamin B12

Last Answer : Answer : D

Description : Convulsive episodes occur when there is a severe deficiency of (A) Pyridoxine (B) Folic acid (C) Thiamine (D) Riboflavin

Last Answer : Answer : B

Description : Which base in place of thymine is present in RNA? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Last Answer : (3) Uracil Explanation: DNA (Deoxyribonucleic acid) contains 2-cleoxy-ribose sugar. It contains cytosine and thymine as pyrimidine bases and guanine and adenine as purine bases. RNA (Ribonucleic ... sugar. It contains cytosine and uracil as pyrimidine bases and guanine and adenine as purine bases.

Description : Which of the following nitrogen base is not present in DNA? a. Thymine. b. Cytosine. c. Adenine. d. Uracil.

Last Answer : d. Uracil.

Description : Which base in place of thymine is present in RNA ? (1) Adenine (2) Guanine (3) Uracil (4) Cytosine

Last Answer : Uracil

Description : Which one of the following is not a constituent of RNA? (A) Deoxyribose (B) Uracil (C) Adenine (D) Thymine

Last Answer : Answer : A

Description : Hybridoma cells are selected by culturing them in a medium containing (A) Adenine, guanine, cytosine and thymine (B) Adenine, guanine, cytosine and uracil (C) Hypoxanthine, aminopterin and thymine (D) Hypoxanthine, aminopterin and thymidine

Last Answer : Answer : D