Statement
A.The four nucleotide bases are not necessarily present in DNA in exact equal proportions
B.The total amount of purines are equal to the total amount of pyrimidines
C.DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into its component nucleotides
D. Nuclease enzymes are capable of restoring an intact DNA duplex of the above statements

Options

A. B is correct but A, C and D are wrong
B. A and B are wrong but C and D are correct
C. A and B are C are correct but D is wrong
D. B,C and D are correct but A is wrong

Answer

d