What are the features of denaturation?

1 Answer

Answer :

Tungstic acid, phosphotungstic acid, trichloro

acetic acid, picric acid, sulphosalicylic acid and

tannic acid are protein precipitating agents.

Related questions

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

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

Last Answer : Answer : D

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

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

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

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

Last Answer : Answer : D

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

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

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

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

Last Answer : Answer : C

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

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

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

Last Answer : answer:

Description : Explain the term Denaturation. -Biology

Last Answer : answer:

Description : What is denaturation of enzymes? -Biology

Last Answer : answer:

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)

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.

Description : 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 ... - extension in the presence of heat stable DNA polymerase (d) A - annealing with two sets of primers

Last Answer : (c) C - extension in the presence of heat stable DNA polymerase

Description : 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.

Last Answer : (d) denaturation, annealing, extension.

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

Last Answer : Denaturation

Description : 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

Last Answer : secondary, tertiary, and quaternary structures

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

Last Answer : d. tertiary; protein

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

Last Answer : c. acidity

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

Last Answer : A. Moist heat sterilization

Description : 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

Last Answer : (4) Denaturation, Annealing, Extension