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CUET

Q21. Identify the statements which are true for both RNA and DNA. (A) Two nucleotides are linked through 3'-5' phosphodiester linkage. (B) Nitrogenous bases are linked to the sugar moiety. (C) Additional -OH is present at 2'-position in the sugar. (D) 5-methyl uracil is present. Choose the correct answer from the options given below: