Biomolecules

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Sucrose is a disaccharide and a non-reducing sugar.

Reason (R): Sucrose involves glycosidic linkage between C₁ of b-glucose and C₂ of a-fructose.

Choose the most appropriate answer from the options given below:

A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol given the coloured product after sometime.

Sugar 'X' is

How many of the given compounds will give a positive Biuret test_________?

A protein 'A' contains 0.30? of glycine (molecular weight 75). The minimum molar mass of the protein 'A' is ___________* 103g mol1 [nearest integer]

During the denaturation of proteins, which of these structure will remain intact?

Given below are two statements : One is labeled as Assertion A and the other is labelled as Reason R

Assertion A : Amylose is insoluble in water.           

Reason R: Amylose is a long linear molecules with more than 200 glucose units.

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

For the below given cyclic hemiacetal (X), the correct pyranose structure is:

In alanylglycylleucylalanylvaline, the number of peptide linkages is____________.

A polysaccharide 'X' on boiling with dil H₂SO₄ ate 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water give gluconic acid. 'X' contains b-glycosidic linkages only. Compound 'X' is: