Vitamin B12 forms coenzymes known as (A) Cobamide (B) Transcobalamin I (C) Transcobalamin II (D) Both (B) and (C)

1 Answer

Answer :

Answer : A

Related questions

Description : Cobamide coenzymes are (A) Vitamin B1 (B) Riboflavin (C) Pyridoxine (D) Vitamin B12

Last Answer : Answer : D

Description : Vitamin B12 initially binds to the proteins known as (A) Transcobalamin I (B) R-proteins (C) Transcobalamin II (D) Intrinsic factor of castle

Last Answer : Answer : B

Description : Vitamin B12 initially binds to the proteins known as (A) Transcobalamin I (B) R-Proteins (C) Transcobalamin II (D) Intrinsic factor of castle

Last Answer : Answer : B

Description : Vitamin B12 is transported in blood by (A) Albumin (B) Transcortin (C) Transcobalamin I (D) Transcobalamin II

Last Answer : Answer : D

Description : The following has cyanide: (A) Vitamin B12 (B) Adenyl cobamide (C) Benzimidazole cobamide (D) Methyl cobamide

Last Answer : Answer : A

Description : The following has cyanide: (A) Vitamin B12 (B) Adenyl cobamide (C) Benzimidazole cobamide (D) Methyl cobamide

Last Answer : Answer : A

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

Last Answer : Answer : C

Description : Coenzymes are (A) Heat stable, dialyzable, non protein organic molecules (B) Soluble, colloidal, protein molecules (C) Structural analogue of enzymes (D) Different forms of enzymes

Last Answer : Answer : A

Description : Coenzymes FMN and FAD are derived from vitamin (A) C (B) B6 (C) B1 (D) B2

Last Answer : Answer : D

Description : Coenzymes derived from the vitamin shown below are required by which of the following enzymes? (A) Lactate dehydrogenase (B) Glutamate dehydrogenase (C) Pyruvate dehydrogenase (D) Malate dehydrogenase

Last Answer : Answer : C

Description : Coenzymes derived from the vitamin shown below are required by enzymes involved in the synthesis of which of the following? (A) ATP (B) UTP (C) CTP (D) NADH

Last Answer : Answer : A

Description : Which of the following coenzyme takes part in tissue respiration? (A) Coenzyme Q (B) Coenzyme A (C) NADP (D) Cobamide

Last Answer : Answer : A

Description : Reduction of D-ribonucleotides to D-deoxy ribonucleotides in prokaryotes requires (A) 5, 6 dimethyl benzimindazole cobamide (B) Thiredoxin (C) Tetra hydrobiopterin (D) Tetra hydrofolate VITAMINS 131

Last Answer : Answer : A

Description : Which of the following vitamins is the precurssor of CoA? (A) Riboflavin (B) Pantothenate (C) Thiamine (D) Cobamide

Last Answer : Answer : B

Description : Reduction of D-ribonucleotides to Ddeoxy ribonucleotides in prokaryotes requires (A) 5, 6 dimethyl benzimidazole cobamide (B) Thioredoxin (C) Tetra hydrobiopterin (D) Tetra hydrofolate

Last Answer : Answer : B

Description : The deficiency of Vitamin B12 leads to (A) Pernicious anaemia (B) Megablastic anaemia (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Description : Vitamin B12 is synthesized by (A) Bacteria only (B) Plants only (C) Animals only (D) Both (A) and (C)

Last Answer : Answer : A

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

Last Answer : Answer : D

Description : Both Wernicke’s disease and beriberi can be reversed by administrating (A) Retinol (B) Thiamin (C) Pyridoxine (D) Vitamin B12

Last Answer : Answer : B

Description : Inactive precursors of enzymes are known as (A) Apoenzymes (B) Coenzymes (C) Proenzymes (D) Holoenzymes

Last Answer : Answer : C

Description : Calcium absorption is inferred by (A) Fatty acids (B) Amino acids (C) Vitamin D (D) Vitamin B12

Last Answer : Answer : A

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

Last Answer : Answer : B

Description : A hypochromic microcytic anaemia which increases Fe, store in the bone marrow may be (A) Folic acid responsive (B) Vitamin B12 responsive (C) Pyridoxine responsive (D) Vitamin C responsive

Last Answer : Answer : D

Description : A hypochromic necrocytic anaemia with increase Fe stores in the bone marrow may be (A) Folic acid responsive (B) Vitamin B12 responsive (C) Pyridoxine responsive (D) Vitamin C responsive

Last Answer : Answer : C

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

Last Answer : Answer : C

Description : A hypochromic microcytic anemia with increased iron stores in the bone marrow may be (A) Iron responsive (B) Pyridoxine responsive (C) Vitamin B12 responsive (D) Folate responsive

Last Answer : Answer : B

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

Last Answer : Answer : D

Description : A biochemical indication of vitamin B12 deficiency can be obtained by measuring the urinary excretion of (A) Pyruvic acid (B) Malic acid (C) Methyl malonic acid (D) Urocanic acid

Last Answer : Answer : C

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

Last Answer : Answer : A

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 : Metal in Vitamin B12 is (A) Copper (B) Cobalt (C) Iron (D) Zinc

Last Answer : Answer : B

Description : Which of the following vitamin act as a respiratory catalyst? (A) B2 (B) Pyridoxine (C) B12 (D) C VITAMINS 133

Last Answer : Answer : A

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

Last Answer : Answer : C

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 : Rice-polishings contain whcih of the following Vitamin? (A) Riboflavin (B) Niacin (C) Thiamine (D) Vitamin B12

Last Answer : Answer : C

Description : Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein

Last Answer : Answer : B

Description : Extrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-proteins (D) Sigma protein

Last Answer : Answer : A

Description : The human species can biosynthesize (A) Vitamin C (B) Vitamin B12 (C) Thiamine (D) Niacin

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 : A deficiency of vitamin B12 causes (A) Cheliosis (B) Beriberi (C) Pernicious anemia (D) Scurvy

Last Answer : Answer : C

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 : Rice polishings contain this vitamin: (A) Riboflavin (B) Niacin (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Description : Intrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-Proteins (D) Sigma protein

Last Answer : Answer : A

Description : Extrinsic factor of castle is (A) Vitamin B12 (B) Glycoprotein (C) R-Proteins (D) Sigma protein VITAMINS 127

Last Answer : Answer : B

Description : The human species can biosynthesize (A) Vitamin C (B) Vitamin B12 (C) Thiamine (D) Niacin

Last Answer : Answer : D