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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

In fibrous proteins, polypeptide chains are held together by: (i) van der Waals forces (ii) disulphide linkage (iii) electrostatic forces of attraction (iv) hydrogen bonds

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प्रश्न

In fibrous proteins, polypeptide chains are held together by:

(i) van der Waals forces

(ii) disulphide linkage

(iii) electrostatic forces of attraction

(iv) hydrogen bonds

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उत्तर

(ii) disulphide linkage

(iv) hydrogen bonds

Explanation:

In fibrous proteins, polypeptide chains are held together by disulphide linkage and hydrogen bonds.

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अध्याय 14: Biomolecules - Multiple Choice Questions (Type - I) [पृष्ठ २०९]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 14 Biomolecules
Multiple Choice Questions (Type - I) | Q 26 | पृष्ठ २०९

संबंधित प्रश्न

What are the common types of secondary structure of proteins?


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Which of the following biomolecules is insoluble in water?


The helical structure of protein is stabilized by:


The correct statement for protein haemoglobin.


Proteins are found to have two different types of secondary structures viz. α-helix and β-pleated sheet structure. α-helix structure of protein is stabilised by:


Dinucleotide is obtained by joining two nucleotides together by phosphodiester linkage. Between which carbon atoms of pentose sugars of nucleotides are these linkages present?


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Assertion: β-glycosidic linkage is present in maltose,

Reason: Maltose is composed of two glucose units in which C–1 of one glucose unit is linked to C–4 of another glucose unit.


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Explain formation of peptide linkage in protein with an example.


Given below are two statements labelled as Assertion (A) and Reason (R).

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Reason (R): The secondary structure of proteins is stabilized by hydrogen bonding.

Select the most appropriate answer from the options given below:


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Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of a type and two subunits β type.)

In the light of the above statements, choose the correct answer from the options given below:


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