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Biomolecules

Question
CBSEENBI11000281
Wired Faculty App

Distinguish between reducing and non-reducing sugars.

Solution

Reducing Sugars

Non-reducing sugars

(1) Give bright red-precipitate with Fehling’s or Benedict’s solutions.


(2) Have free aldehyde or ketone group which reduces Cu++ to Cu+.

(3) Cannot be hydrolysed.

(4) All monosaccharides and some disaccharides like maltose and lactose are reducing sugars.

(1) Do not give bright red-precipitate with Fehling’s or Benedict’s solutions.

(2) Do not have free aldehyde or ketone group to reduce Cu++ to Cu+.

(3) On hydrolysis give rise to reducing sugars.

(4) Sucrose is non-reducing sugar.

Some More Questions From Biomolecules Chapter

What is the percentage of nucleic acids in cells ?

What is the general formula of carbohydrates ?

Name one monosaccharide which provides energy ?

Give the names of two monosaccharide sugars.

Name a carbohydrate that can reduce Cu++ to Cu+.

Give the names of two acidic aminoacids.

What are the contents of lactose ?

Give the names of two nucleotides.

What are carbohydrates ?

Give the names of two vitamin nucleotides.

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