Question

Which of the following statements about the structure of $DNA$ is false?

• A. The width of the $DNA$ molecule is variable since it can accommodate nucleotides containing varying number of nitrogen-based 'rings'.
• B. Hydrogen bonds determine which nitrogenous bases can pair together
• C. A total of $10\, pairs$ of nuecleotides are included in each complete $'turn'$ of the double helix
• D. Minor and major grooves alternate along the length of the molecule

Answer 1

Answer: (A)

Correct answer is (a) The width of the $DNA$ molecule is variable since it can accommodate nucleotides containing varying number of nitrogen-based 'rings'.