Statements
i. The four nucleotide bases are not necessarily present in DNA in exact equal proportions.
ii. The total amount of purines are equal to the total amount of pyrimidines.
iii. DNA ligase enzyme act to hydrolyse or break down a polynucleotide chain into its component nucleotides.
iv. Nuclease enzymes are capable of restoring an intact DNA duplex.
Of the above statements

Options

A. ii is correct but i, iii and iv are wrong
B. i and ii are wrong but iii and iv are correct
C. i, ii and iii are correct but iv is wrong
D. i and ii are correct but iii and iv are wrong

Answer

D