Thyroperoxidase enzyme contains (A) Heme (B) Copper (C) Zinc (D) Magnesium

Thyroperoxidase enzyme contains (A) Heme (B) Copper (C) Zinc (D) Magnesium
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The enzyme δ-aminolevulinate dehydratase contains (A) Zinc (B) Manganese (C) Magnesium (D) Calcium

Description : The enzyme δ-aminolevulinate dehydratase contains (A) Zinc (B) Manganese (C) Magnesium (D) Calcium

Last Answer : Answer : A

Carboxypeptidase, an enzyme of pancreatic juice, contains (A) Mn (B) Zinc (C) Magnesium (D) Manganese

Description : Carboxypeptidase, an enzyme of pancreatic juice, contains (A) Mn (B) Zinc (C) Magnesium (D) Manganese

Last Answer : Answer : B

Mitochondrial superoxide dismutase contains (A) Zinc (B) Copper (C) Magnesium (D) Manganese

Description : Mitochondrial superoxide dismutase contains (A) Zinc (B) Copper (C) Magnesium (D) Manganese

Last Answer : Answer : D

Alcohol dehydrogenase from liver contains (A) Sodium (B) Copper (C) Zinc (D) Magnesium

Description : Alcohol dehydrogenase from liver contains (A) Sodium (B) Copper (C) Zinc (D) Magnesium

Last Answer : Answer : C

An enzyme required for the synthesis of thyroid hormones is (A) Iodinase (B) Deiodinase (C) Thyroperoxidase (D) Thyroxine synthetase

Description : An enzyme required for the synthesis of thyroid hormones is (A) Iodinase (B) Deiodinase (C) Thyroperoxidase (D) Thyroxine synthetase

Last Answer : Answer : C

The synthesis of heme from protophyrin III is catalysed by the enzyme: (A) ALA synthase (B) Ferroreductase (C) Ferrooxidase (D) Ferrochelatase

Description : The synthesis of heme from protophyrin III is catalysed by the enzyme: (A) ALA synthase (B) Ferroreductase (C) Ferrooxidase (D) Ferrochelatase

Last Answer : Answer : D

Haemoglobin formation needs both (A) Iron and Zinc (B) Iron and Calcium (C) Iron and Copper (D) Iron and Magnesium

Description : Haemoglobin formation needs both (A) Iron and Zinc (B) Iron and Calcium (C) Iron and Copper (D) Iron and Magnesium

Last Answer : Answer : C

A trace element deficient in the milk is (A) Magnesium (B) Copper (C) Zinc (D) Chloride

Description : A trace element deficient in the milk is (A) Magnesium (B) Copper (C) Zinc (D) Chloride

Last Answer : Answer : A

Mitochondrial pyruvate carboxylase contains (A) Zinc (B) Zinc (C) Manganese (D) Magnesium

Description : Mitochondrial pyruvate carboxylase contains (A) Zinc (B) Zinc (C) Manganese (D) Magnesium

Last Answer : Answer : C

Thyroperoxidase iodinates (A) Free tyrosine in thyroid gland (B) Tyrosine residues of thyroglobulin (C) Tyrosine residues of thyroxine binding globulin (D) Tyrosine residues of thyroxine binding prealbumin

Description : Thyroperoxidase iodinates (A) Free tyrosine in thyroid gland (B) Tyrosine residues of thyroglobulin (C) Tyrosine residues of thyroxine binding globulin (D) Tyrosine residues of thyroxine binding prealbumin

Last Answer : Answer : B

Hemoglobin is a molecule made of four polypeptide chains, each bound to a iron-containing molecular group called a heme group. So the molecule contains four polypeptide chains and four heme groups. As a protein composed of association of polypeptide chains, the functionality of hemoglobin depends upon the integrity of its quaternary structure. Blood Questions - Image Diversity: hemoglobin molecule

Description : Hemoglobin is a molecule made of four polypeptide chains, each bound to a iron-containing molecular group called a heme group. So the molecule contains four polypeptide chains and four ... depends upon the integrity of its quaternary structure. Blood Questions - Image Diversity: hemoglobin molecule

Last Answer : On average what is the life duration of the red blood cells?

Enzyme catalase has non-protein metal asA-magnesium B-manganese C-iron D-zinc

Description : Enzyme catalase has non-protein metal asA-magnesium B-manganese C-iron D-zinc

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

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

Heme is synthesized from (A) Succinyl-CoA and glycine (B) Active acetate and glycine (C) Active succinate and alanine (D) Active acetate and alanine

Description : Heme is synthesized from (A) Succinyl-CoA and glycine (B) Active acetate and glycine (C) Active succinate and alanine (D) Active acetate and alanine

Last Answer : Answer : A

Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Description : Why Magnesium , Copper and Zinc only react when dipped in hot water ?

Last Answer : Magnesium is the element at the top of the activation table. The value of its oxidation potential is more negative i.e. it is easily oxidized. But the position of copper is below H2 and the deposition ... in water to H2 gas. But magnesium degrades H + ions. So only magnesium reacts with hot water.

Which one of the following mineral elements play an important role in biological nitrogen fixation a. Copper b. Magnesium c. Zinc d. Molybdenum

Description : Which one of the following mineral elements play an important role in biological nitrogen fixation a. Copper b. Magnesium c. Zinc d. Molybdenum

Last Answer : Ans: D

The chemical used for destroying Fungi in water tanks is - (1) Copper sulphate (2) Magnesium sulphate (3) Zinc sulphate (4) Nitric acid

Description : The chemical used for destroying Fungi in water tanks is - (1) Copper sulphate (2) Magnesium sulphate (3) Zinc sulphate (4) Nitric acid

Last Answer : (1) Copper sulphate Explanation: Copper sulfate is a chemical compound which is produced commercially by reacting various copper (II) compounds with sulfuric acid. This compound is used in a wide range ... sprayed on grapes in the form of a water solution to reduce the risk of fungal infestations.

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Last Answer : (1) Calcium and Magnesium Explanation: Pure and simple, asbestos is a group of naturally occurring minerals. It is composed of calcium and magnesium silicate. Asbestos occurs as veins in rocks and is mined from the ground, similar to coal.

Which one of the following metals does not form amalgam? (1) Zinc (2) Copper (3) Magnesium (4) Iron

Description : Which one of the following metals does not form amalgam? (1) Zinc (2) Copper (3) Magnesium (4) Iron

Last Answer : (4) Iron Explanation: The definition of an amalgam is a mixture of metals and mercury, which can be man-made or can be naturally occurring.

Muntz metal is a/an alloys of (A) Magnesium & tin (B) Ferrous material (C) Lead & tin (D) Copper & zinc

Description : Muntz metal is a/an alloys of (A) Magnesium & tin (B) Ferrous material (C) Lead & tin (D) Copper & zinc

Last Answer : (D) Copper & zinc

Anodic material used for the cathodic protection of underground buried steel pipeline is (A) Nickel or copper (B) Zinc or magnesium (C) Bronze (D) Brass

Description : Anodic material used for the cathodic protection of underground buried steel pipeline is (A) Nickel or copper (B) Zinc or magnesium (C) Bronze (D) Brass

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Give reason: a) Magnesium reacts more vigorously with hydrochloric acid than zinc or copper. b) Iron takes more time to react with dilute hydrochloric acid than magnesium and zinc

Description : Give reason: a) Magnesium reacts more vigorously with hydrochloric acid than zinc or copper. b) Iron takes more time to react with dilute hydrochloric acid than magnesium and zinc

Last Answer : a) Magnesium reacts more vigorously with hydrochloric acid than zinc or copper. The reactivity of magnesium is higher than that of zinc. Hence it reacts with hydrochloric acid more vigorously. b) ... acid than magnesium and zinc As iron has lowest reactivity when compare to magnesium and zinc.

Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Last Answer : (c) phosphorus, potassium, sulphur, calcium

In which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum

Description : In which of the following all three are macronutrients? (a) Molybdenum, magnesium, manganese (b) Nitrogen, nickel, phosphorus (c) Boron, zinc, manganese (d) Iron, copper, molybdenum

Last Answer : (d) Iron, copper, molybdenum

Which of the following is the only element which i "mined" from the sea? Is it: w) copper x) magnesium y) uranium z) zinc

Description : Which of the following is the only element which i "mined" from the sea? Is it: w) copper x) magnesium y) uranium z) zinc

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The metal present in insulin is (1) Copper (2) Iron (3) Zinc (4) Magnesium

Description : The metal present in insulin is (1) Copper (2) Iron (3) Zinc (4) Magnesium

Last Answer : Zinc

The chemical used for destroying Fungi in water tanks is (1) Copper sulphate (2) Magnesium sulphate (3) Zinc sulphate (4) Nitric acid

Description : The chemical used for destroying Fungi in water tanks is (1) Copper sulphate (2) Magnesium sulphate (3) Zinc sulphate (4) Nitric acid

Last Answer : Copper sulphate 

Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Description : Asbestos is formed of : (1) Calcium and Magnesium (2) Copper, Zinc and Manganese (3) Lead and Iron (4) Calcium and Zinc

Last Answer : Calcium and Magnesium

Chlorophyll contains – (1) Iron (2) Magnesium (3) Cobalt (4) Zinc

Description : Chlorophyll contains – (1) Iron (2) Magnesium (3) Cobalt (4) Zinc

Last Answer : (2) Magnesium Explanation: Chlorophyll molecule contains a magnesium ion. Green plants are dependent on chlorophyll for photosynthesis, and magnesium is required for chlorophyll production.

Chlorophyll contains (1) Iron (2) Magnesium (3) Cobalt (4) Zinc

Description : Chlorophyll contains (1) Iron (2) Magnesium (3) Cobalt (4) Zinc

Last Answer : Magnesium

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

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))

Cardiac arrest may occur due to over doses of (A) Sodium (B) Potassium (C) Zinc (D) Magnesium

Description : Cardiac arrest may occur due to over doses of (A) Sodium (B) Potassium (C) Zinc (D) Magnesium

Last Answer : Answer : B

Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Last Answer : Answer : D

Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Description : Psychotic symptoms and parkinsonism like symptoms develop due to inhalation poisoning of (A) Manganese (B) Phosphorous (C) Magnesium (D) Zinc

Last Answer : Answer : A

Vitamin E reduces the requirement of (A) Iron (B) Zinc (C) Selenium (D) Magnesium

Description : Vitamin E reduces the requirement of (A) Iron (B) Zinc (C) Selenium (D) Magnesium

Last Answer : Answer : C

Haemoglobin contains the metal - (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Description : Haemoglobin contains the metal - (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Last Answer : (3) Iron Explanation: Haemoglobin is an ironcontaining protein in red blood cells. It contains a haem prosthetic group that has an iron atom at its centre. When the iron is bound to oxygen, the haem ... is red in colour (oxyhameoglobin), and when it lacks oxygen (deoxygenated form) it is blue-red.

Haemoglobin contains the metal (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Description : Haemoglobin contains the metal (1) Copper (2) Molybdenum (3) Iron (4) Magnesium

Last Answer : Iron

Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Description : Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Last Answer : Ans:(b)

Brass contains – (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Description : Brass contains – (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Last Answer : (1) Copper and Zinc Explanation: Brass is an alloy made of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By comparison, bronze is principally an alloy of copper and tin.

German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Description : German silver used for decorative purposes contains maximum percentage of (A) Silver (B) Copper (C) Zinc (D) Nickel

Last Answer : (B) Copper

Brass contains (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Description : Brass contains (1) Copper and Zinc (2) Copper and Tin (3) Copper and Silver (4) Copper and Nickel

Last Answer :  Copper and Zinc

What is the difference between heme and non heme iron?

Description : What is the difference between heme and non heme iron?

Last Answer : answer:Here's an article from NIH that discusses absorption of heme vs. non-heme iron: Absorption of heme iron ranges from 15% to 35%, and is not significantly affected by diet [15]. In contrast, ... phytates (found in legumes and whole grains) can decrease absorption of nonheme iron [1,19-24]...

On average red blood cells live around 120 days. The spleen is the main organ where old red blood cells are destroyed. During the red blood cell destruction the heme groups turn into bilirubin and this substance is then captured by the liver and later excreted in the bowels as part of the bile.

Description : On average red blood cells live around 120 days. The spleen is the main organ where old red blood cells are destroyed. During the red blood cell destruction the heme groups turn into bilirubin and this substance is then captured by the liver and later excreted in the bowels as part of the bile.

Last Answer : What are the functions of the spleen?

Zinc is a constituent of the enzyme: (A) Succinate dehydrogenase (B) Carbonic anhydrase (C) Mitochondrial superoxide dismutase (D) Aldolase

Description : Zinc is a constituent of the enzyme: (A) Succinate dehydrogenase (B) Carbonic anhydrase (C) Mitochondrial superoxide dismutase (D) Aldolase

Last Answer : Answer : B

An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Description : An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Last Answer : Answer : A

Absorption of calcium decreases if there is high concentration in the diet of (A) Copper (B) Sodium (C) Magnesium (D) Cadmium

Description : Absorption of calcium decreases if there is high concentration in the diet of (A) Copper (B) Sodium (C) Magnesium (D) Cadmium

Last Answer : Answer : C

The trace element catalyzing hemoglobin synthesis is (A) Manganese (B) Magnesium (C) Copper (D) Selenium

Description : The trace element catalyzing hemoglobin synthesis is (A) Manganese (B) Magnesium (C) Copper (D) Selenium

Last Answer : Answer : C

Menke’s disease is due to an abnormality in the metabolism of (A) Iron (B) Manganese (C) Magnesium (D) Copper

Description : Menke’s disease is due to an abnormality in the metabolism of (A) Iron (B) Manganese (C) Magnesium (D) Copper

Last Answer : Answer : D

Crystallisation of insulin occurs in the presence of (A) Chromium (B) Copper (C) Zinc (D) Calcium

Description : Crystallisation of insulin occurs in the presence of (A) Chromium (B) Copper (C) Zinc (D) Calcium

Last Answer : Answer : C

Selenium decreases the requirement of (A) Copper (B) Zinc (C) Vitamin D (D) Vitamin E

Description : Selenium decreases the requirement of (A) Copper (B) Zinc (C) Vitamin D (D) Vitamin E

Last Answer : Answer : D