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 :
1
(B) only
2
(D) and (E) only
3
(B) and (D) only
4
(B) and (E) only