HARD
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IMPORTANT
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When sugar 'X' is boiled with dilute H2SO4 in alcoholic solution, two isomers 'A' and 'B' are formed. 'A' on oxidation with HNO3 yields saccharic acid where as 'B' is laevorotatory. The compound 'X' is

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Important Questions on Biomolecules

MEDIUM
JEE Main
IMPORTANT
Sugar moiety in DNA and RNA molecules respectively are
MEDIUM
JEE Main
IMPORTANT
Which of the following compound does not contain sulphur atom?
MEDIUM
JEE Main
IMPORTANT
The structure of protein that is unaffected by heating is :
MEDIUM
JEE Main
IMPORTANT
During the denaturation of proteins, which of these structures will remain intact ?
EASY
JEE Main
IMPORTANT
Glycosidic linkage between C1 of α-glucose and C2 of β-fructose is found in
HARD
JEE Main
IMPORTANT
A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is