X-ray crystallography is a method for investigating molecular structure by observing the patterns formed by X-rays shot through a crystal of the substance. Pauling had discovered the secondary structure of proteins using X-ray crystallography. Other scientists, such as Linus Pauling and Maurice Wilkins, were also actively exploring this field. In the 1950s, Francis Crick and James Watson worked together at the University of Cambridge, England, to determine the structure of DNA. Describe how eukaryotic and prokaryotic DNA is arranged in the cell.By the end of this section, you will be able to:
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