. Irreversible precipitation of proteins caused by heating is called : (a) Polymerisation (b) Denaturation (c) Electrophoresis (d) Inversion

Irreversible precipitation of proteins caused by heating is called :
(a) Polymerisation
(b) Denaturation
(c) Electrophoresis
(d) Inversion
by

1 Answer

Answer :

Denaturation
by

Related questions

Denaturation of proteins results in (A) Disruption of primary structure (B) Breakdown of peptide bonds (C) Destruction of hydrogen bonds (D) Irreversible changes in the molecule

Description : Denaturation of proteins results in (A) Disruption of primary structure (B) Breakdown of peptide bonds (C) Destruction of hydrogen bonds (D) Irreversible changes in the molecule

Last Answer : Answer : C

In case of severe denaturation of protein, there is (A) Reversible denaturation (B) Moderate reversible denaturation (C) Irreversible denaturation (D) None of these

Description : In case of severe denaturation of protein, there is (A) Reversible denaturation (B) Moderate reversible denaturation (C) Irreversible denaturation (D) None of these

Last Answer : Answer : C

Rcmoval of carbon particles from air involves the principle of – (1) Precipitation (2) FiIteration (3) Electrophoresis (4) Sedimentation

Description : Rcmoval of carbon particles from air involves the principle of – (1) Precipitation (2) FiIteration (3) Electrophoresis (4) Sedimentation

Last Answer : (3) Electrophoresis Explanation: Carbon particles in air are colloidal in nature and carry negative charge. The removal of carbon parities from air involves the principle of electrophoresis. Carbon particles get ... losing their charge and, thus, the air which finally comes out is free from them.

Removal of carbon particles from air involves the principle of (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation

Description : Removal of carbon particles from air involves the principle of (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation

Last Answer : Electrophoresis

Precipitation or coagulation of proteins may be caused by (a) Heat (b) Changes in pH (c) Heavy metal salts (d) All of these

Description : Precipitation or coagulation of proteins may be caused by (a) Heat (b) Changes in pH (c) Heavy metal salts (d) All of these

Last Answer : All of these

The antibodies raised against a pure protein will show only one sharp spike on this technique: (A) Solubility curve (B) Solvent precipitation (C) Molecular weight determination (D) Immuno electrophoresis

Description : The antibodies raised against a pure protein will show only one sharp spike on this technique: (A) Solubility curve (B) Solvent precipitation (C) Molecular weight determination (D) Immuno electrophoresis

Last Answer : Answer : D

Removal of carbon particles from air involves the principle of - (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation

Description : Removal of carbon particles from air involves the principle of - (1) Precipitation (2) Filteration (3) Electrophoresis (4) Sedimentation

Last Answer : (3) Electrophoresis Explanation: Electrophoresis is the process of separating certain large molecules so they can be examined more easily.

What is meant by denaturation in proteins? -Biology

Description : What is meant by denaturation in proteins? -Biology

Last Answer : answer:

In denaturation of proteins, the bond which is not broken: (A) Disulphide bond (B) Peptide bond (C) Hydrogen bond (D) Ionic bond

Description : In denaturation of proteins, the bond which is not broken: (A) Disulphide bond (B) Peptide bond (C) Hydrogen bond (D) Ionic bond

Last Answer : Answer : B

Denaturation of proteins involves breakdown of (A) Secondary structure(B) Tertiary structure (C) Quarternary structure(D) All of these

Description : Denaturation of proteins involves breakdown of (A) Secondary structure(B) Tertiary structure (C) Quarternary structure(D) All of these

Last Answer : Answer : D

The bond in proteins that is not broken under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds

Description : The bond in proteins that is not broken under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds

Last Answer : Answer : D

The antigenic antibody functions of proteins by denaturation are frequently (A) Not changed (B) Changed (C) Both (A) and (B) (D) None of these

Description : The antigenic antibody functions of proteins by denaturation are frequently (A) Not changed (B) Changed (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

The bond in proteins that is not hydrolysed under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds

Description : The bond in proteins that is not hydrolysed under usual conditions of denaturation: (A) Hydrophobic bond (B) Hydrogen bond (C) Disulphide bond (D) Peptide bonds

Last Answer : Answer : C

During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Description : During denaturation of proteins, all of the following are disrupted except (A) Primary structure (B) Secondary structure (C) Tertiary structure (D) Quaternary structure

Last Answer : Answer : B

What are the usual agents that cause denaturation of proteins?

Description : What are the usual agents that cause denaturation of proteins?

Last Answer : Brief heating, urea, X-ray, ultraviolet ray, high pressure, vigorous shaking.

Denaturation of a protein is caused by (a) Heat (b) Acid (c) High salt concentration (d) All of the above

Description : Denaturation of a protein is caused by (a) Heat (b) Acid (c) High salt concentration (d) All of the above

Last Answer : Ans:(d)

Denaturation of a protein is caused by – (1) Heat (2) Acid (3) High salt concentration (4) All of the above

Description : Denaturation of a protein is caused by – (1) Heat (2) Acid (3) High salt concentration (4) All of the above

Last Answer : (4) All of the above Explanation: Denaturation of proteins involves the disruption and possible destruction of both the secondary and tertiary structures.

All gases above its inversion temperature, in a throttling process will show (A) A heating effect (B) No change in temperature (C) A cooling effect (D) Either (A) or (C)

Description : All gases above its inversion temperature, in a throttling process will show (A) A heating effect (B) No change in temperature (C) A cooling effect (D) Either (A) or (C)

Last Answer : (A) A heating effect

Which of the following techniques is used to separate proteins based upon differences in their mass? (A) Isoelectric focusing (B) Dialysis (C) SDS-gel Electrophoresis (D) Western blotting

Description : Which of the following techniques is used to separate proteins based upon differences in their mass? (A) Isoelectric focusing (B) Dialysis (C) SDS-gel Electrophoresis (D) Western blotting

Last Answer : Answer : C

Plasma proteins are isolated by (A) Salting out (B) Electrophoresis (C) Flourimetry (D) Both (A) and (B)

Description : Plasma proteins are isolated by (A) Salting out (B) Electrophoresis (C) Flourimetry (D) Both (A) and (B)

Last Answer : Answer : D

Primary structure of proteins can be determined by the use of (A) Electrophoresis (B) Chromatography (C) Ninhydrin (D) Sanger’s reagent

Description : Primary structure of proteins can be determined by the use of (A) Electrophoresis (B) Chromatography (C) Ninhydrin (D) Sanger’s reagent

Last Answer : Answer : D

The technique for purification of proteins that can be made specific for a given protein is (A) Gel filtration chromotography (B) Ion exchange chromatography (C) Electrophoresis (D) Affinity chromatography

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Last Answer : Answer : D

If two persons with ‘AB’ blood group marry and have sufficiently large number of children, these children could be classified as ‘A’ blood group: ‘AB’ blood group : ‘B’ blood group in 1 : 2 : 1 ratio. Modern technique of protein electrophoresis reveals presence of both ‘A’ and ‘B’ type proteins in ‘AB’ blood group individuals. This in an example of (a) partial dominance (b) complete dominance (c) codominance (d) incomplete dominance.

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The process of heating the cold pressed metallic powder is called __________ in powder metallurgy. (A) Precipitation (B) Fusion (C) Sintering (D) Agglomeration

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Which of the following protein structures does “denaturation” destroy?(a) primary and secondary structures (b) secondary and tertiary structures (c) tertiary and quaternary structures (d) secondary, tertiary, and quaternary structures

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Explain the term Denaturation. -Biology

Description : Explain the term Denaturation. -Biology

Last Answer : answer:

What is denaturation of enzymes? -Biology

Description : What is denaturation of enzymes? -Biology

Last Answer : answer:

The disulphide bond is not broken under the usual conditions of (A) Filtration (B) Reduction (C) Oxidation (D) Denaturation

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In a protein molecule the disulphide bond is not broken by (A) Reduction (B) Oxidation (C) Denaturation (D) X-ray diffraction

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What are the features of denaturation?

Description : What are the features of denaturation?

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The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents? A. B. C ds DNA 3 5 5 3 5 3 5 3 5 3 5 3 5 5 3 3 5 3 5 3 Region to be amplified . (a) B - denaturation at a temperature of about 98°C separating the two DNA strands (b) A - denaturation at a temperature of about 50°C (c) C - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

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The correct order of steps in Polymerase Chain Reaction (PCR) is (a) extension, denaturation, annealing (b) annealing, extension, denaturation (c) denaturation, extension, annealing (d) denaturation, annealing, extension.

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Denaturation refers to the loss of the ______ structure of a ______ molecule. a. primary; carbohydrate b. molecular; fat c. secondary; starch d. tertiary; protein

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The pH scale relates the measure of _______ of a chemical substance. a. ionization b. denaturation c. acidity d. buffering

Description : The pH scale relates the measure of _______ of a chemical substance. a. ionization b. denaturation c. acidity d. buffering

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What is the mode of action of autoclaving “Moist sterilisation”: A. Moist heat sterilization B. Protein denaturation

Description : What is the mode of action of autoclaving “Moist sterilisation”: A. Moist heat sterilization B. Protein denaturation

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The correct order of steps in Polymerase Chain Reaction (PCR) is (1) Extension, Denaturation, Annealing (2) Annealing, Extension, Denaturation (3) Denaturation, Extension, Annealing (4) Denaturation, Annealing, Extension

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Explain the following terms : (i) Electrophoresis, (ii) Coagulation, (iii) Dialysis (iV) Tyndal Effect

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Defination of Electrophoresis

Description : Defination of Electrophoresis

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The polymerisation of which of the Following is used in manufacturing of polythene in industry? (1) Methane (2) Styrene (3) Acetylene (4) Ethylene

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