Hemoglobin in the blood is a complex protein rich in A. Copper B. Iron C. Silver D. Gold

Hemoglobin in the blood is a complex protein rich in A. Copper B. Iron C. Silver D. Gold
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ANSWER: B
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Haemoglobin in the blood is a complex protein rich in - (1) Iron (2) Silver (3) Copper (4) Gold

Description : Haemoglobin in the blood is a complex protein rich in - (1) Iron (2) Silver (3) Copper (4) Gold

Last Answer : (1) Iron Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates. Iron is an essential part of hemoglobin. When iron stores are low, both hemoglobin and red blood cell production slows, causing anemia.

Haemoglobin in the blood is a complex protein rich in (1) Iron (2) Silver (3) Copper (4) Gold

Description : Haemoglobin in the blood is a complex protein rich in (1) Iron (2) Silver (3) Copper (4) Gold

Last Answer : Iron

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?

Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : (1) Gold Explanation: The heaviness of any metal is defined with reference to high densities, atomic weights, or atomic numbers. The atomic masses of the given elements are: Gold: 196.96654; Silver: 107.8682 ... .546; Iron: 55.847. So the heaviest metal is gold, followed by silver, copper and iron.

The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Description : The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Last Answer : A) Silver and Copper

Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : Gold

Which one of the following metals is essential to the structure and functioning of hemoglobin? w) copper x) magnesium y) tin z) iron

Description : Which one of the following metals is essential to the structure and functioning of hemoglobin? w) copper x) magnesium y) tin z) iron

Last Answer : ANSWER: Z -- IRON

blood hemoglobin is mixture of protein in which following is found.

Description : blood hemoglobin is mixture of protein in which following is found.

Last Answer : Iron

Why is Zinc and not Copper used for the recovery of Silver from the complex [Ag (CN)2 ] ?

Description : Why is Zinc and not Copper used for the recovery of Silver from the complex [Ag (CN)2 ] ? 

Last Answer : Ans. Zinc is stronger reducing agent and more electropositive than Copper. (E° = + 0.34V) 

The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper

Description : Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper

Last Answer : Ans:(a)

Which of the following metals has least, melting point? (1) Gold (2) Silver (3) Mercury (4) Copper

Description : Which of the following metals has least, melting point? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : (3) Mercury Explanation: The melting point of the given metals (in Celsius) are:- Gold: 1063; Silver: 961; Copper: 1083; Mercury: 38.86. Mercury is the only elemental metal known to melt at a generally cold temperature.

Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : (1) Gold Explanation: Gold is the least reactive in the reactivity series. Since it does not react with other elements, it is found in a free form. Only gold, silver, copper and the ... occur in nature in larger amounts. Nonmetallic elements occurring in the native state include carbon and sulfur.

Chemically 'Quick Silver’ is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Description : Chemically 'Quick Silver’ is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Last Answer : (1) Mercury Explanation: Quicksilver is an alternative name for the element mercury. A heavy, silvery dblock element, mercury is the only metal that is liquid at standard conditions for temperature ... is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.

Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

Which of the following materials is a good electrical insulator? A. wood B. silver C. copper D. gold

Description : Which of the following materials is a good electrical insulator? A. wood B. silver C. copper D. gold

Last Answer : Answer: A

Which of the following materials does not form adherent oxide film on surface? (A) Copper (B) Nickel (C) Aluminium (D) Gold & silver

Description : Which of the following materials does not form adherent oxide film on surface? (A) Copper (B) Nickel (C) Aluminium (D) Gold & silver

Last Answer : (D) Gold & silver

German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Description : The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Last Answer : d. silicon

Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Description : Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Last Answer : (A) Nichrome

A metal that does NOT occur native in the earth is w) copper x) gold y) sodium z) silver

Description : A metal that does NOT occur native in the earth is w) copper x) gold y) sodium z) silver

Last Answer : ANSWER: Y -- SODIUM 

Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

Description : Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : Mercury

Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : Gold

Chemically ‘Quick Silver is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Description : Chemically ‘Quick Silver is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Last Answer : Mercury

Heavy metals, such as____work by _____‗‗ a. Mercury; Disrupting Membranes b. Copper; Producing Toxins c. Iodine; Denaturing Proteins d. Silver; Binding Protein Molecules Together

Description : Heavy metals, such as____work by _____‗‗ a. Mercury; Disrupting Membranes b. Copper; Producing Toxins c. Iodine; Denaturing Proteins d. Silver; Binding Protein Molecules Together

Last Answer : d. Silver; Binding Protein Molecules Together

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

Meat is rich in all of the following except (A) Iron (B) Fluorine (C) Copper (D) Zinc

Description : Meat is rich in all of the following except (A) Iron (B) Fluorine (C) Copper (D) Zinc

Last Answer : Answer : B

Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Description : Protein present in hemoglobin has the structure known as (A) Primary (B) Secondary (C) Tertiary (D) Quarternary

Last Answer : Answer : D

The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin

Description : The following protein/polypeptide has a quaternary structure : (A) cc-Chymotrypsin (B) Hemoglobin (C) Insulin (D) Myoglobin

Last Answer : (B) Hemoglobin

What are Iron silver and gold are all examples of?

Description : What are Iron silver and gold are all examples of?

Last Answer : Need answer

The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

Description : The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

Last Answer : Ans:(d)

"Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Description : "Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Last Answer : (3) Diamond mines Explanation: Panna is famous for its diamond mines. A large group of diamond deposits extends North-East on a branch of the Vindhya Range for 240 km or so, and ... under the Diamond Mining Project of National Mineral Development Corporation (NMDC Ltd) of Government of India.

The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : (1) Gold Explanation: Gold, which is not only the most valuable of metals, but also is without its peer in freedom from alloy, is known as the king of metals. Luxurious, classy and beautiful, gold ... most classic and coveted jewelry metal of all. It is also the oldest precious met-al known to man.

The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Description : The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Last Answer : (3) gold Explanation: Gold is the most malleable of all metals; a single gram can be beaten into a sheet of 1 square meter, and an ounce into 300 square feet.

Which metal is causing for Minamata disease - a) Iron b) Mercury c) Gold d) Silver

Description : Which metal is causing for Minamata disease - a) Iron b) Mercury c) Gold d) Silver

Last Answer : b) Mercury

The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : Gold

Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Description : Which among the following metal is used for galvanization? (1) Zinc (2) Copper (3) Iron (4) Silver

Last Answer : (1) Zinc Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc.

What material is used to make electric heater coil? (1) Copper (2) Iron (3) Silver (4) Nichrome

Description : What material is used to make electric heater coil? (1) Copper (2) Iron (3) Silver (4) Nichrome

Last Answer : (4) Nichrome Explanation: Nichrome is a non-magnetic alloy of nickel, chromium, and often iron, usually used as a resistance wire. Patented in 1905, it is the oldest documented form of resistance heating ... is corrosion-resistant, and has a high melting point of about 1400 degree C (2552 degree F).

Which °fine metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Description : Which °fine metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Last Answer : (3) Silver Explanation: Silver has the best thermal conductivity of 429 W/mK at RT (295K). It is followed by copper, gold and aluminium. Metals generally have very good electrical conductivity, that leads to high thermal conductivity.

The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver

Description : The best conductor of electricity among the following is - (1) copper (2) iron (3) aluminum (4) silver

Last Answer : (4) silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Last Answer : (4) Silver Explanation: Copper: 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

Which of the following is the most prone to atmospheric corrosion? (A) Silver (B) Iron (C) Tin (D) Copper

Description : Which of the following is the most prone to atmospheric corrosion? (A) Silver (B) Iron (C) Tin (D) Copper

Last Answer : (B) Iron

What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Description : What happens when? a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. b) A pinch of mercuric oxide is kept in a test tube. c)A small crystal of silver nitrate is dissolved in distilled water and a drop of ammonium hydroxide & a pinch of glucose powder are added.

Last Answer : a) A cleaned iron plate or iron nail is kept in 10g of copper sulphate solution. After a few hours a coating of copper is seen on iron nail/plate. It is based on displacement reaction. ... on the inner walls of the test tube. Aldehyde group in glucose reduced silver nitrate to metallic silver.

The most suitable metal for making permanent magnet is a) Iron b) Steel c) Silver d) Copper

Description : The most suitable metal for making permanent magnet is a) Iron b) Steel c) Silver d) Copper

Last Answer : a) Iron

Which one is the best material for making connecting wires? a. Iron b. Tungsten c. Silver d. Copper

Description : Which one is the best material for making connecting wires? a. Iron b. Tungsten c. Silver d. Copper

Last Answer : d. Copper

__________ metal is liquid at room temperature . a) mercury b)iron c)copper d)silver

Description : __________ metal is liquid at room temperature . a) mercury b)iron c)copper d)silver

Last Answer : a) mercury

The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron.

Description : The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron.

Last Answer : (C) Silver.

What material is used to make electric heater coil ? (1) Copper (2) Iron (3) Silver (4) Nichrome

Description : What material is used to make electric heater coil ? (1) Copper (2) Iron (3) Silver (4) Nichrome

Last Answer : Nichrome

Which of the metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Description : Which of the metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Last Answer : Silver