question_answer

In the DNA molecule:

A) there are two strands which run antiparallel- one in 5'\[\to \]3' direction and other in 3'\[\to \]5' direction.

B) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal.

C) there are two strands which run parallel in the 5'\[\to \]3' direction.

D) the proportion of Adenine in relation to thymine varies with the organism.