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

Structures of glycine and alanine are given below. Show the peptide linkage in glycylalanine. HX2N−CHX2−COOH(Glycine); HX2N−CHX2−COOH|......CHX3(Alanine)... - Chemistry

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प्रश्न

Structures of glycine and alanine are given below. Show the peptide linkage in glycylalanine.

\[\ce{\underset{(Glycine)}{H2N - CH2 - COOH}}\]; 

\[\begin{array}{cc}
\ce{H2N - CH2 - COOH}\\
|\phantom{......}\\
\ce{\underset{(Alanine)}{CH3}\phantom{...}}
\end{array}\]

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उत्तर

In glycylalanine, carboxyl group of glycine combines with the amino group of alanine.

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अध्याय 14: Biomolecules - Multiple Choice Questions (Type - I) [पृष्ठ २१०]

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 14 Biomolecules
Multiple Choice Questions (Type - I) | Q 47 | पृष्ठ २१०

संबंधित प्रश्न

How is tripeptide formed?


Define the following as related to proteins:

Peptide linkage


What are the common types of secondary structure of proteins?


What type of bonding helps in stabilising the α-helix structure of proteins?


Differentiate between the following :

Peptide linkage and Glycosidic linkage 


Which of the following biomolecules is insoluble in water?


The helical structure of protein is stabilized by:


The correct statement for protein haemoglobin.


Which functional group participates in disulphide bond formation in proteins?


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:


Optical rotations of some compounds along with their structures are given below which of them have D configuration.

(I)
(II)
(III)

α-Helix is a secondary structure of proteins formed by twisting of polypeptide chain into right-handed screw like structures. Which type of interactions are responsible for making the α-helix structure stable?


Protein found in a biological system with a unique three-dimensional structure and biological activity is called a native protein. When a protein in its native form, is subjected to a physical change like change in temperature or a chemical change like, change in pH, denaturation of protein takes place. Explain the cause.


Presence of disulphide link gives rise to which structure of protein?


The correct structure of Ruhemann's Purple, the compound formed in the reaction of ninhydrin with proteins is:


An α-helix is a structural feature of ______.


Write a classification of proteins with an example.


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