Watson and Crick Used Evidence from Several Studies to Determine

question 56

Multiple Choice

Watson and Crick used evidence from several studies to determine the structure of DNA. What conclusion were they able to draw from Rosalind Franklin's X- ray diffraction data, specifically?

• A) DNA nucleotides form complementary base pairs.
• B) The DNA strands are antiparallel, and the strands are held together by hydrogen bonds.
• C) DNA consists of four types of nucleotide bases: A, T, C, and G.
• D) DNA is a duplex, with two strands forming a double helix.
• E) Adenine pairs with thymine and cytosine pairs with guanine when they are on opposite DNA strands.

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