Select the Researchers That Are Correctly Matched with Their Discovery

Multiple Choice

Select the researchers that are correctly matched with their discovery.

A) Pauling provided information on secondary structure in biological molecules.
B) Franklin suggested that DNA was a helix with more than one strand and that there were about 10 bases per turn of the DNA.
C) Watson and Crick collected a large amount of X-ray data on the structure of DNA.
D) Chargaff demonstrated that the adenine and thymine bases and the cytosine and guanine bases interacted in some manner.