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Q. RNA differs from DNA in having

AMUAMU 2000

Solution:

RNA differs from DNA in $3$ ways :
(i) The sugar phosphate backbone contains ribose rather than deoxyribose.
(ii) It contains the base uracil $(U)$ instead of thymine.
(iii) It exists mostly as a single stranded rather than a double stranded helix.
Thymine is a pyrimidine present in DNA but not in RNA.
In deoxyribose sugar, hydrogen is present at $2$ position.
Cytosine is pyrimidine present both in RNA and DNA.