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

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एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 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?


Write one difference between α-helix and β-pleated structures of proteins.


Differentiate between the following :

Peptide linkage and Glycosidic linkage 


The protein responsible for blood clotting is ____________.


Which functional group participates in disulphide bond formation in proteins?


Which of the following statement is correct:


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

(I)
(II)
(III)

Proteins can be classified into two types on the basis of their molecular shape i.e., fibrous proteins and globular proteins. Examples of globular proteins are:

(i) Insulin

(ii) Keratin

(iii) Albumin

(iv) Myosin


Which of the following are purine bases?

(i) Guanine

(ii) Adenine

(iii) Thymine

(iv) Uracil


Which moieties of nucleosides are involved in the formation of phosphodiester linkages present in dinucleotides? What does the word diester in the name of linkage indicate? Which acid is involved in the formation of this linkage?


Peptide linkage is:


Assertion (A): Proteins are polymers of α-amino acids connected by a peptide bond.

Reason (R): A tetrapeptide contains 4 amino acids linked by 4 peptide bonds.


β-pleated sheet structure in proteins refers to ______.


Write a classification of proteins with an example.


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