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Nucleic Acids - Medical Science

Q1:

The sugar in RNA is __________ , the sugar in DNA is __________

A deoxyribose, ribose

B ribose, deoxyribose

C ribose, phosphate

D ribose, uracil

ANS:B - ribose, deoxyribose

Deoxy means deficiency.

Firstly, both DNA and RNA Are made up of the ribose sugar. But what differentiate DNA from RNA Is nothing but the presence or absence of OH at carbon #2.

*DNA have a deficiency in OH WHILE the RNA have no deficiency of OH.