Watson and crick discovered?

Question

a. dna is made of nucleotides

b.dna is the genetic material

c. x-ray crystallography

d. a and c

e. all of the above

Answer 1

Are u sure that e) isn't none of the above because "none of the above" is the answer. They just discovered the double helix structure of DNA

Answer 2

B

Answer 3

Watson and Crick only discovered the three dimensional structure of the DNA using X-ray crystallography.  None of the answers given in the question are correct.

Answer 4

B. DNA is the genetic material.

Answer 5

None of the answers are right. Watson and Crick only discovered the molecular structure of DNA. The discovery of DNA as genetic material was found by a series of experiments by  Frederick Griffith, Oswald Avery and his coleges, and Alfred Hershey and Martha Chase.  None of these experiments involved Watson and Crick.