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8. Explain how Rosalind Franklin's x-ray crystallography work helped Watson and Crick determine the physical structure of DNA.

9. What did Watson, Crick, and Franklin discover about the structure of DNA?

10. How did Watson, Crick, and Franklin's work reiterate Chargaff's findings?

11. The outer part of DNA is composed of what?

12. A strand of DNA is read from left to right, from the 5' end to the 3' end. How will its complementary strand be read from left to right?

13. Which of the following is not a component of DNA's nucleotides?

14. Which law states that the amounts of A and T nucleotides are roughly equal, as are C and G nucleotides?

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Final answer:

Rosalind Franklin's x-ray crystallography work provided vital insight into the double helix structure of DNA, discovering the complementary base pairing. Watson, Crick, and Franklin's work confirmed Chargaff's rules through their findings.


Explanation:

Rosalind Franklin's x-ray crystallography work provided crucial X-ray diffraction images of DNA that allowed Watson and Crick to confirm the double helix structure of DNA.

Watson, Crick, and Franklin discovered that DNA forms a double helix structure, with two strands that run in opposite directions and are held together by complementary base pairing.

Watson, Crick, and Franklin's work reiterated Chargaff's findings by confirming that DNA's base pairs follow Chargaff's rules, where the amounts of adenine (A) are equal to thymine (T), and the amounts of cytosine (C) are equal to guanine (G).


Learn more about DNA structure here:

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