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

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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प्रश्न

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.

पर्याय

  • Assertion and reason both are correct statements and reason explains the assertion.

  • Both assertion and reason are wrong statements.

  • Assertion is correct statement and reason is wrong statement.

  • Assertion is wrong statement and reason is correct statement.

  • Assertion and reason both are correct statements but reason does not explain assertion.

MCQ
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उत्तर

Assertion is wrong statement and reason is correct statement.

Explanation:

α-glycosidic linkage is present in maltose.


                                            Maltose

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पाठ 14: Biomolecules - Multiple Choice Questions (Type - I) [पृष्ठ २१२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 14 Biomolecules
Multiple Choice Questions (Type - I) | Q 62 | पृष्ठ २१२

संबंधित प्रश्‍न

What is peptide linkage?


Differentiate between  the following:

Fibrous proteins and Globular proteins


Which of the following biomolecules is insoluble in water?


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?


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.


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?


Explain the terms primary and secondary structure of proteins. What is the difference between α-helix and β-pleated sheet structure of proteins?


Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be ______.


Peptide linkage is:


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

Assertion (A): Proteins are found to have two different types of secondary structures viz alpha-helix and beta-pleated sheet structure.

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

Select the most appropriate answer from the options given below:


Out of the following, which type of interaction is responsible for the stabilisation of the α-helix structure of proteins?


The total number of negative charge in the tetrapeptide, Gly-Glu-Asp-Tyr at pH 12.5 will be ______. (Integer answers)


An α-helix is a structural feature of ______.


β-pleated sheet structure in proteins refers to ______.


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