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Biology Question on Nucleic acids and nucleotides

Which of the following statements are incorrect with respect to nucleotides?
(A) Purines and pyrimidines are nitrogenous bases.
(B) Nucleotides are non-enzymatic molecules.
(C) Phosphate group is linked to – OH of 5′ C of a nucleoside through phosphoester linkage.
(D) In RNA, every nucleotide residue has an additional – OH group present at 2′ position in the ribose.
(E) Thymine is an example of Pyrimidine.
Choose the correct answer from the options given below:

A

(A), (B) and (E) only

B

(D) and (E) only

C

(B) and (D) only

D

(B) and (E) only

Answer

(B) and (E) only

Explanation

Solution

Nucleotides are enzymatic molecules, and thymine is a pyrimidine, not an incorrect statement. However, option (B) stating that nucleotides are non-enzymatic is incorrect, and option (E) is incorrect because thymine is indeed a pyrimidine.