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Which of the following properties of DNA was discovered by Rosalind Franklin, James Waston and Francis Crick?

DNA is composed of four bases

DNA looks like a long, twisted ladder.

DNA nucleotides always combine in the same pairs.

DNA has a doughnut shape when viewed using x ray diffraction.

User Ankushbbbr
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the answer is DNA has a doughnut shape when viewed using x ray diffraction.
User Dereck
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Answer:

DNA has a doughnut shape when viewed using x ray diffraction

Step-by-step explanation:

User Mascoj
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