CBSE Class 12 Chemistry 2016 Delhi Set 1 Solved Paper
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Question : 21 of 26
Marks:
+1,
-0
(i) Write the name of two monosaccharides obtained on hydrolysis of lactose sugar.
(ii) Why vitamin cannot be stored in our body?
(iii) What is the difference between a nucleoside and nucleotide?
(ii) Why vitamin cannot be stored in our body?
(iii) What is the difference between a nucleoside and nucleotide?
Solution:
(i) -D glucose and -D-galactose / glucose and galactose.
(ii) water soluble, excreted out of the body.
(iii) In nucleotide, phosphoric acid/phosphate group attached to the nucleoside / structures of both nucleotide and nucleoside / nucleotide base + sugar + phosphate group, nucleoside base + sugar.
(ii) water soluble, excreted out of the body.
(iii) In nucleotide, phosphoric acid/phosphate group attached to the nucleoside / structures of both nucleotide and nucleoside / nucleotide base + sugar + phosphate group, nucleoside base + sugar.
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