Q. 215.0( 2 Votes )
A. Write the name of two monosaccharides obtained on hydrolysis of lactose sugar.
B. Why Vitamin C cannot be stored in our body?
C. What is the difference between a nucleoside and nucleotide?
(a) Hydrolysis of lactose sugar produces one molecule of D-Glucose and one molecule of D-Galactose.
(b) Vitamin-C cannot be stored in our body because it is water soluble and it repeatedly gets eliminated through urine.
(c) A nucleoside is formed by the attachment of purine or pyrimidine base to the 1-positionof a pentose sugar.
A nucleotide is a unit formed by the attachment of nucleoside to phosphoric acid at the 5-position of the sugar moiety.
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