Vitamin necessary for CoA synthesis: (A) Pantothenic acid (B) Vitamin C (C) B6 (D) B12

1 Answer

Answer :

Answer : A

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Last Answer : Ans:(b)

Description : Cobamides contain a vitamin which is (A) Folic acid (B) Ascorbic acid (C) Pantothenic acid (D) Vitamin B12

Last Answer : Answer : D

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

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

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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 : Cobalt is essential component of (A) Vitamin B1 (B) Vitamin B6 (C) Vitamin B12 (D) All of these

Last Answer : Answer : C

Description : Cobalt forms an integral part of the vitamin: (A) B1 (B) B6 (C) B12 (D) Folate

Last Answer : Answer : C

Description : Vitamin essential for transamination is (A) B1 (B) B2 (C) B6 (D) B12

Last Answer : Answer : C

Description : Vitamin used in the treatment of homocystinuria is (A) B1 (B) B5 (C) B12 (D) B6

Last Answer : Answer : D

Description : The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Last Answer : Answer : C

Description : Corrinoid coenzymes are coenzymes of (A) Vitamin B6 (B) Vitamin B12 (C) Vitamin B2 (D) Vitamin B1

Last Answer : Answer : B

Description : Corninoid coenzymes are coenzymes of (A) Vitamin B12 (B) Vitamin B6 (C) Vitamin B2 (D) Vitamin B1

Last Answer : Answer : D

Description : Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12

Last Answer : Answer : C

Description : Pantothenic acid acts on (A) NADP (B) NADPH (C) FAD (D) CoA

Last Answer : Answer : B

Description : Which vitamin deficiency causes the disease, Pernicious anaemia? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Last Answer : (2) Vitamin B12 Explanation: Pernicious anemia is one of many types of the larger family of megaloblastic anemias. It is caused by loss of gastric parietal cells which are responsible, in ... secretion of intrinsic factor, a protein essential for subsequent absorption of vitamin B12 in the ileum.

Description : Which one of the following can be synthesized by Liver ----? A. Vitamin B6 B. Vitamin B12 C. Vitamin K (Answer) D. Vitamin E

Last Answer : C. Vitamin K (Answer)

Description : Which one of the following pairs is not correctly matched? (a) Vitamin C - Scurvy (b) Vitamin B2 - Pellagra (c) Vitamin B12 - Pernicious anaemia (d) Vitamin B6 - Beri-beri

Last Answer : (d) Vitamin B6 - Beri-beri

Description : Which one of the following pairs is not correctly matched? (a) Vitamin B12 - Pernicious anaemia (b) Vitamin B6 - Convulsions (c) Vitamin B1 - Beri-beri (d) Vitamin B2 - Pellagra

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Last Answer : a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for absorption.

Description : Which vitamin deficiency causes the disease, Pernicious anaemia ? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Last Answer : Vitamin B12

Description : Histamine is formed from histidine by the enzyme histidine decarboxylase in the presence of (A) NAD (B) FMN (C) HS-CoA (D) B6-PO4

Last Answer : Answer : D

Description : In the biosynthesis of heme, condensation between succinyl CoA and glycine requires (A) NAD+ (B) FAD (C) NADH + H+ (D) B6-phosphate

Last Answer : Answer : D

Description : The metabolic reaction requiring vitamin B12 but not folate is: A. Conversion of malonic acid to succinic acid B. Conversion of homocysteine to methionine C. Conversion of serine to glycine D. Thymidylate synthesis

Last Answer : A. Conversion of malonic acid to succinic acid

Description : Vitamin deficiency that causes fatty liver includes all except (A) Vitamin E (B) Pyridoxine (C) Retionic acid (D) Pantothenic acid

Last Answer : Answer : C

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

Last Answer : Answer : B

Description : Coenzyme A contains a vitamin which is (A) Thiamin (B) Ascorbic acid (C) Pantothenic acid (D) Niacinamide

Last Answer : Answer : C

Description : In fatty acids synthase of both bacteria and mammals, ACP (acyl carrier protein) contain the vitamin: (A) Thiamin (B) Pyridoxine (C) Riboflavin (D) Pantothenic acid

Last Answer : Answer : D

Description : The transketolase enzyme in the pentose phosphate pathway requires the B vitamin. (A) Pantothenic acid (B) Thiamin (C) Riboflavin (D) Nicotinic acid

Last Answer : Answer : B

Description : Sulpha drugs are antimetabolites of (A) PABA (B) Pyridoxin (C) Vitamin B2 (D) Pantothenic acid

Last Answer : Answer : A

Description : ‘Xanthurenic acid index’ is a reliable criterion for the deficiency of the vitamin (A) Pyridoxal (B) Thiamin (C) Pantothenic acid (D) Cobalamin

Last Answer : Answer : A

Description : The vitamin required as coenzyme for the action of transaminases is (A) Niacin (B) Pantothenic acid (C) Pyridoxal phosphate (D) Riboflavin

Last Answer : Answer : C

Description : The Vitamin which does not contain a ring in the structure is (A) Pantothenic acid (B) Vitamin D (C) Riboflavin (D) Thiamin

Last Answer : Answer : A

Description : Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Last Answer : Answer : A

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

Last Answer : Answer : C

Description : Megaloblastic anemia is caused by the deficiency of (A) Folic acid (B) Vitamin B6 (C) Iron (D) Protein

Last Answer : Answer : A

Description : Megaloblastic anemia is caused by the deficiency of (A) Folic acid (B) Vitamin B6 (C) Iron (D) Protein

Last Answer : Answer : A

Description : Vit. B complex (B1 , B2 , B12 ), B3 , B6 and Vit. C are

Last Answer : Ans. Water soluble vitamins

Description : Insulin regulates fatty acid synthesis by (A) Dephosphorylating of acetyl CoA carboxylase (B) Activating phosphorylase (C) Inhibiting malonyl CoA formation (D) Controlling carnitine-Acyl CoA transferase activity

Last Answer : Answer : A

Description : The enzyme regulating extramitochondrial fatty acid synthesis is (A) Thioesterase (B) Acetyl CoA carboxylase (C) Acyl transferase (D) Multi-enzyme complex

Last Answer : Answer : B

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 : Intermediate in the denovo synthesis of triacyl glycerols include all the following except (A) Fatty acyl CoA (B) CDP diacyl glycerol (C) Glycerol-3-phosphate (D) Lysophosphatidic acid

Last Answer : Answer : B

Description : Acetyl CoA required for extra mitochondrial fatty acid synthesis is produced by (A) Pyruvate dehydrogenase complex (B) Citrate lyase (C) Thiolase (D) Carnitine-acyl transferase

Last Answer : Answer : B

Description : In synthesis of Triglyceride from α-Glycero phosphate and acetyl CoA, the first intermediate formed is (A) β-diacyl glycerol (B) Acyl carnitine (C) Monoacyl glycerol(D) Phosphatidic acid

Last Answer : Answer : D

Description : All statements regarding 3-OH-3 methyl glutaryl CoA are true except (A) It is formed in the cytoplasm (B) Required in ketogenesis (C) Involved in synthesis of Fatty acid (D) An intermediate in cholesterol biosynthesis

Last Answer : Answer : B

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 : For extramitochondrial fatty acid synthesis, acetyl CoA may be obtained from (A) Citrate (B) Isocitrate (C) Oxaloacetate (D) Succinate

Last Answer : Answer : A

Description : Acetyl CoA carboxylase regulates fatty acid synthesis by which of the following mechanism? (A) Allosteric regulation (B) Covalent modification (C) Induction and repression (D) All of these

Last Answer : Answer : D

Description : Acetyl CoA is not used for the synthesis of (A) Fatty acid (B) Cholesterol (C) Pyruvic acid (D) Citric acid

Last Answer : C

Description : Acetyl CoA from mitochondria is transferred to cytoplasm for the de novo synthesis of fatty acid, by which enzyme?

Last Answer : ATP citrate lyase.