Tyrosine of thyroglobulin is acted upon by ________ to give mono and diiodo tyrosines. (A) Potassium Iodide (B) Iodine (C) Iodide I (D) Higher valency state of iodine (I+)

Tyrosine of thyroglobulin is acted upon by ________ to give mono and diiodo tyrosines. (A) Potassium Iodide (B) Iodine (C) Iodide I (D) Higher valency state of iodine (I+)
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The following are true about the thyroid hormone a. iodide ions enter the follicle cells by passive diffusion b .T4 and T3 bind to the receptors in nuclei c. thyroxine, once synthesized, is coupled to thyroglobulin until released d. a greater proportion of tri-iodothyronine is formed when iodine is deficient

Description : The following are true about the thyroid hormone a. iodide ions enter the follicle cells by passive diffusion b .T4 and T3 bind to the receptors in nuclei c. thyroxine, once ... thyroglobulin until released d. a greater proportion of tri-iodothyronine is formed when iodine is deficient

Last Answer : T4 and T3 bind to the receptors in nuclei

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

The tyrosine residues per molecule of thyroglobulin is (A) 85 (B) 95 (C) 115 (D) 135

Description : The tyrosine residues per molecule of thyroglobulin is (A) 85 (B) 95 (C) 115 (D) 135

Last Answer : Answer : C

Iodine is required in human body for (A) Formation of thyroxine (B) Formation of Glutathione (C) Formation of potassium iodide (D) Adrenalin

Description : Iodine is required in human body for (A) Formation of thyroxine (B) Formation of Glutathione (C) Formation of potassium iodide (D) Adrenalin

Last Answer : Answer : A

When iodine supplies are sufficient the T3 and T4 ratio in thyroglobulin is (A) 1 : 2 (B) 1 : 4 (C) 1 : 7 (D) 1 : 10

Description : When iodine supplies are sufficient the T3 and T4 ratio in thyroglobulin is (A) 1 : 2 (B) 1 : 4 (C) 1 : 7 (D) 1 : 10

Last Answer : Answer : C

Iodine is stored in (A) Thyroid gland as thyroglobulin (B) Liver (C) Intestine (D) Skin

Description : Iodine is stored in (A) Thyroid gland as thyroglobulin (B) Liver (C) Intestine (D) Skin

Last Answer : Answer : A

Carbimazole acts by inhibiting: A. Iodide trapping B. Oxidation of iodide C. Proteolysis of thyroglobulin D. Synthesis of thyroglobulin protein

Description : Carbimazole acts by inhibiting: A. Iodide trapping B. Oxidation of iodide C. Proteolysis of thyroglobulin D. Synthesis of thyroglobulin protein

Last Answer : B. Oxidation of iodide

Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trappin

Description : Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trappin

Last Answer : B. Inhibits proteolysis of thyroglobulin

16.18 Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trapping

Description : 16.18 Thyrotropin exerts the following actions on the thyroid gland except: A. Increases vascularity B. Inhibits proteolysis of thyroglobulin C. Induces hyperplasia and hypertrophy D. Promotes iodide trapping

Last Answer : B. Inhibits proteolysis of thyroglobulin

Which of the following is used to iodise common salt? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Description : Which of the following is used to iodise common salt? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Last Answer : (3) Potassium iodate Explanation: Iodized salt (also spelled iodised salt) is table salt mixed with a minute amount of various salts of the element iodine. Table salt with iodide salt slowly loses its ... salt can be iodised by spraying it with a potassium iodate solution. 60 ml of potassium iodate.

Which of the following is used to iodise common salf ? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Description : Which of the following is used to iodise common salf ? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Last Answer : Potassium iodate

Glycogen while being acted upon by active phosphorylase is converted first to (A) Glucose (B) Glucose 1-phosphate and Glycogen with 1 carbon less (C) Glucose-6-phosphate and Glycogen with 1 carbon less (D) 6-Phosphogluconic acid

Description : Glycogen while being acted upon by active phosphorylase is converted first to (A) Glucose (B) Glucose 1-phosphate and Glycogen with 1 carbon less (C) Glucose-6-phosphate and Glycogen with 1 carbon less (D) 6-Phosphogluconic acid

Last Answer : C

Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Description : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. Which will give a positive test for iodine when the sol

Last Answer : Each of these are added to a mixture of aqueous solutions of iodide and `CHCl_(3)` separately. ... . NaBr solution C. Chlorine water D. Bromine water

The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and sulphur is given below: The oxidizing and reducing agents involved in this redox reaction are: (a) Iodine and sulphur respectively (b) Iodine and hydrogen sulphide respectively (c) Sulphur and iodine respectively (d) Hydrogen sulphide and sulphur

Description : The chemical reaction between Hydrogen sulphide and iodine to give Hydrogen iodide and sulphur is given below: The oxidizing and reducing agents involved in this redox reaction are: (a) ... and hydrogen sulphide respectively (c) Sulphur and iodine respectively (d) Hydrogen sulphide and sulphur

Last Answer : (b) Iodine and hydrogen sulphide respectively

How many moles of iodine are produced from 560 g of magnesium iodide?

Description : How many moles of iodine are produced from 560 g of magnesium iodide?

Last Answer : not sure

The percentage of inactive precursors (monoidotyrosine and diiodotyrosine) in thyroglobulin is (A) 30 (B) 40 (C) 50 (D) 70

Description : The percentage of inactive precursors (monoidotyrosine and diiodotyrosine) in thyroglobulin is (A) 30 (B) 40 (C) 50 (D) 70

Last Answer : Answer : D

Vitamin C enhances the intestinal absorption of (A) Potassium (B) Iodine (C) Iron (D) None of these

Description : Vitamin C enhances the intestinal absorption of (A) Potassium (B) Iodine (C) Iron (D) None of these

Last Answer : Answer : C

When a astronaut is in space her body is acted upon by increased gravitational force from the earth?

Description : When a astronaut is in space her body is acted upon by increased gravitational force from the earth?

Last Answer : No, it would be with a decreased force of gravity.

When acted upon an unbalenced force an object at rest will do what?

Description : When acted upon an unbalenced force an object at rest will do what?

Last Answer : When unbalanced forces act on an object at rest, the object will move. In the two examples mentioned earlier, the net force on the object is greater than zero. Unbalanced forces produced change in motion (acceleration) and the receivers of the forces - the piano and the rope -

If two bodies, one heavy and one light, are acted upon by the same force for the same time, then both bodies acquire the same (a) velocity (b) momentum (c) acceleration (d) speed

Description : If two bodies, one heavy and one light, are acted upon by the same force for the same time, then both bodies acquire the same (a) velocity (b) momentum (c) acceleration (d) speed

Last Answer : Ans:(b)

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its velocity is constant (b) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

Description : A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its ... ) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

Last Answer : Ans:(d)

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Description : If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same - (1) velocity (2) momentum (3) acceleration (4) kinetic energy

Last Answer : (2) momentum Explanation: If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same momentum.

An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's – (1) First law (2) Second law (3) Third law (4) Fourth law

Description : An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is Newton's – (1) First law (2) Second law (3) Third law (4) Fourth law

Last Answer : (1) First law Explanation: Newton's first law of motion - sometimes referred to as the law of inertia-states that every object will remain at rest or in uniform motion in a straight line unless ... its state by the action of an external force. This is normally taken as the definition of inertia.

A charge of 2 X 10 -7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10 -7 C, both the charges are in vacuum. a) 0.03 b) 0.05 c) 0.07 d) 0.09

Description : A charge of 2 X 10 -7 C is acted upon by a force of 0.1N. Determine the distance to the other charge of 4.5 X 10 -7 C, both the charges are in vacuum. a) 0.03 b) 0.05 c) 0.07 d) 0.09

Last Answer : d) 0.09

Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The point through which buoyant force acts, is called the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid

Description : Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The ... the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid

Last Answer : Answer: Option D

Milk protein is acted upon by which of the following (a) Rennin (b) Casein (c) Pepsin (d) Caseinogen

Description : Milk protein is acted upon by which of the following (a) Rennin (b) Casein (c) Pepsin (d) Caseinogen

Last Answer : (a) Rennin

Emulsified fat is acted upon by : (a) Lipase (b) Amylase (c) Rennin (d) Pepsin

Description : Emulsified fat is acted upon by : (a) Lipase (b) Amylase (c) Rennin (d) Pepsin

Last Answer : (a) Lipase

What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Description : What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Last Answer : Answer.Yellow precipitate of lead iodide is formed. It is precipitation reaction. Pb( NO3)2 (aq) + 2KI (aq) —-> Pbl2 (s) + 2KNO3 (aq) It is also called double displacement reaction.

What Is The Balanced Equation Between Potassium Iodide And Lead II Nitrate?

Description : What Is The Balanced Equation Between Potassium Iodide And Lead II Nitrate?

Last Answer : The chemical equation is:KI + Pb(NO3)2 = PbI2(s) + 2 KNO3

What is the equation for aqueous potassium iodide reacts with lead nitrate in solution forming solid lead iodide?

Description : What is the equation for aqueous potassium iodide reacts with lead nitrate in solution forming solid lead iodide?

Last Answer : The chemical equation is:2 KI + Pb(NO3)2 = 2 KNO3 + PbI2(s)

What is the chemicdal reaction to potassium iodide and chlorine gas to produce potassium chlorideand iodide?

Description : What is the chemicdal reaction to potassium iodide and chlorine gas to produce potassium chlorideand iodide?

Last Answer : What is the answer ?

Which of the following expectorants acts both directly on the airway mucosa as well as reflexly ? (a) Potassium iodide (b) Guaiphenesin (c) Terpin hydrate (d) Bromhexine

Description : Which of the following expectorants acts both directly on the airway mucosa as well as reflexly ? (a) Potassium iodide (b) Guaiphenesin (c) Terpin hydrate (d) Bromhexine

Last Answer : Ans: A

what is Potassium Iodide?

Description : what is Potassium Iodide?

Last Answer : A: Potassium iodide is the active ingredient in ''fallout pills,'' pills that prevent the accumulation of radioactive iodines in the thyroid, which can cause thyroid cancer. Potassium iodide pills or ... Trans-Pacific fallout from an overseas war is a decision made at the state level by governors

The chemical used for cloud seeding for artificial rains is - (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Description : The chemical used for cloud seeding for artificial rains is - (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : (3) Silver Iodide Explanation: The chemical used for cloud seeding for artificial rains is silver iodide.

Which of the salt in the mineral mixture or food can prevent the subject from goiter D A. Cobalt Chloride B. Sodium Chloride C. Iron Sulphate D. Potassium Iodide

Description : Which of the salt in the mineral mixture or food can prevent the subject from goiter D A. Cobalt Chloride B. Sodium Chloride C. Iron Sulphate D. Potassium Iodide

Last Answer : Potassium Iodide

The uses of sodium/potassium iodide include the following except: A. Preoperative preparation of Grave’s disease patient B. Prophylaxis of endemic goiter C. As antiseptic D. As expectorant

Description : The uses of sodium/potassium iodide include the following except: A. Preoperative preparation of Grave’s disease patient B. Prophylaxis of endemic goiter C. As antiseptic D. As expectorant

Last Answer : C. As antiseptic

The following expectorant acts both directly on the airway mucosa as well as reflexly: A. Potassium iodide B. Guaiphenesin C. Terpin hydrate D. Bromhexine

Description : The following expectorant acts both directly on the airway mucosa as well as reflexly: A. Potassium iodide B. Guaiphenesin C. Terpin hydrate D. Bromhexine

Last Answer : A. Potassium iodide

If a potassium iodide solution is electrolyzed, at what electrode would the potassium appear?

Description : If a potassium iodide solution is electrolyzed, at what electrode would the potassium appear?

Last Answer : ANSWER: CATHODE

The chemical used for cloud seeding for artificial rains is (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Description : The chemical used for cloud seeding for artificial rains is (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : Silver Iodide

________ present in air helps in combustion of fuel. a) oxygen b)nitrogen c)carbon-di-oxide d)carbon –mono-oxide

Description : ________ present in air helps in combustion of fuel. a) oxygen b)nitrogen c)carbon-di-oxide d)carbon –mono-oxide

Last Answer : a) oxygen

Pick out the correct statement. (A) Higher is the temperature of the radiating body, higher is the wavelength of radiation (B) Logarithmic mean area is used for calculating the heat flow rate through a thick walled cylinder (C) The wavelength corresponding to maximum mono-chromatic emissive power increases with rise in temperature (D) Solid angle subtended by the finite surface at the radiating element is called the angle of incidence

Description : Pick out the correct statement. (A) Higher is the temperature of the radiating body, higher is the wavelength of radiation (B) Logarithmic mean area is used for calculating the heat flow rate ... ) Solid angle subtended by the finite surface at the radiating element is called the angle of incidence

Last Answer : (B) Logarithmic mean area is used for calculating the heat flow rate through a thick walled cylinder

When potassium forms a compound with iodine one electron is transferred from the atom to the atom?

Description : When potassium forms a compound with iodine one electron is transferred from the atom to the atom?

Last Answer : Potassium lose an electron (iodine gain this electron) to form potassium iodide, KI.

In India people suffer from Anemia due to lack of (a) Iron (b) Iodine (c) Calcium (d) Potassium

Description : In India people suffer from Anemia due to lack of (a) Iron (b) Iodine (c) Calcium (d) Potassium

Last Answer : Ans:(a)

Anemia occurs due to the lack of the element (a) iodine (b) calcium (c) potassium (d) iron

Description : Anemia occurs due to the lack of the element (a) iodine (b) calcium (c) potassium (d) iron

Last Answer : Ans:(d)

Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Description : Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Last Answer : (1) Sodium Explanation: Sodium is a very reactive metal. It reacts vigorously with oxygen and water. A lot of heat is generated in this process. Therefore, it is stored in kerosene to avoid contacts between either atmospheric oxygen or water.

Iodine can be separated from a mixture of Iodine and Potassium Chloride by - (1) Filtration (2) Sublimation (3) Distillation (4) Sedimentation

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by - (1) Filtration (2) Sublimation (3) Distillation (4) Sedimentation

Last Answer : (2) Sublimation Explanation: Iodine can be separated from a mixture of Iodine and Potassium Chloride by Sublimation. Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

Which of the following is essential for the synthesis of thyroxin? (1) Potassium (2) Sodium (3) Calcium (4) Iodine

Description : Which of the following is essential for the synthesis of thyroxin? (1) Potassium (2) Sodium (3) Calcium (4) Iodine

Last Answer : (4) Iodine Explanation: Iodine is essential for the synthesis of Thyroxine, one of the two major hormones secreted by the thyroid gland. Thyroxine is formed by the molecular addition of iodine to the amino acid tyrosine while the latter is bound to the protein thyroglobulin.

Which one of the following is used in the preparation of antiseptic solution? (1) Potassium nitrate (2) Iodine (3) Iodine chloride (4) Potassium chloride

Description : Which one of the following is used in the preparation of antiseptic solution? (1) Potassium nitrate (2) Iodine (3) Iodine chloride (4) Potassium chloride

Last Answer : (2) Iodine Explanation: Antiseptics are chemical agents that slow or stop the growth of micro-organisms (germs) on external surfaces of the body and help prevent infections.

Iodine can be separated from a mixture of Iodine and Potassium Chloride by – (1) sedimentation (2) filtration (3) sublimation (4) distillation

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by – (1) sedimentation (2) filtration (3) sublimation (4) distillation

Last Answer : (3) sublimation Explanation: Iodine is well known to sublime (change from solid to gas without becoming liquid in between) when heated. However sodium chloride has a melting point much higher ... by using a sublimation apparatus, with solid iodine collected by condensation on a cold surface.