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Question

a) What are monosaccharides? Write the definition?
b) i) Name the products yields from the complete hydrolysis of DNA?
ii) Write the structural formula of sugar moiety in DNA & RNA?
c) Write the name of method related with DNA to identify the dead body in any accident?

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Solution

a) Monosaccharides are carbohydrates that cannot be broken down (by hydrolysis) into simple units. Examples include glucose and fructose.
b) i) The products yields from the complete hydrolysis of DNA are sugar (βD-2-deoxyribose), nitrogen base (adenine and guanine containing purine ring and cytosine and thymine containing pyrimidine ring) and phosphoric acid.
ii) The structural formula of sugar moiety in DNA & RNA is as shown.
c) The name of method related with DNA to identify the dead body in any accident is DNA fingerprinting.
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