Watson-Crick Model — Prelims Questions

Which of the following statements is INCORRECT regarding the Watson-Crick model of DNA?

If a double-stranded DNA molecule has 20% Guanine, what is the percentage of Adenine in the same DNA molecule?

The distance between two adjacent base pairs in a B-DNA helix is approximately:

Which of the following bonds are responsible for holding the two strands of the DNA double helix together?

Which of the following is a purine base found in DNA?

The Watson-Crick model of DNA provided a direct explanation for which fundamental biological process?