Answered

At Westonci.ca, we provide clear, reliable answers to all your questions. Join our vibrant community and get the solutions you need. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

Which of the following discoveries played a key role in Watson and Crick’s discovery of DNA’s structure? (select all that apply)
A) Charagraffs discovery that DNA hold equal mounts of adenine and thymine, and equal amounts of guanine and cytosine.
B) Hershey and Chase's experiment with bacteriophage that confirmed DNA was heredity material.
C) Marie Curie's discovery of radium that enables x-ray images to be taken
D) Frankie and Wilkins x-ray diffraction images revealing DNA as a tightly coiled helix


Sagot :

The answer is A and D. At first, they are confused with the structure. All they know is the DNA is consists of A, T, C and G. After they know the number relationship, they figure out that base may be pairs(A&T, G&C). Then the X-ray helps them to get the coiled helix structure.