Which of the Following Is a Major Difference Between B-DNA

question 7

Multiple Choice

Which of the following is a major difference between B-DNA and A-DNA?

• A)B-DNA has a right-handed helix, A-DNA has a left-handed helix
• B)B-DNA has 10 residues per helix turn while A-DNA has 9
• C)B-DNA base pairs are stacked almost parallel to one another while A-DNA base pairs are significantly tilted with respect to each other
• D)the major groove of A-DNA is much larger than that in B-DNA
• E)none of the above