... adenine (A), thymine (T), cytosine (C) and guanine (G). (Watson, 1968)"The stuff genes are made of."()In the early 1950's, British biophysicist Francis Crick and American biochemist James D. Watson determined the three dimensioned structure deoxyribonucleic acid (DNA) with the help of Maurice Wilkins and the test results from Rosalind Franklin's x-ray diffraction images.(Levine, 1997) A DNA molecule is really the blue print ... problem which ariose was to understand how genetic information was duplicated and transmitted during mitosis. Watson and Crick gathered there information from va...

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• Grade Level: High School

... a deoxyribose residue) form DNA. The structure of pentose sugars in both the linear and ring forms Inorganic Phosphate Nucleotides contain one, two or three phosphate groups. Phosphate is an inorganic ion carrying three negative charges. One, two or three phosphates can be joined to the sugar molecule through the hydroxyl group on carbon 5 shown in the diagram on page 1. The mono phosphate form ... of the nucleotide has two negative charges, the diphosphate has three and the triphosphate form has four. It is the mono phosphate form found in nucleic acids. Organic Bases Nucleotides conta...

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... , Watson introduces her as a problematic, stubborn, and highly emotional woman with a problematic work ethic. "Also, there was no denying she had a good brain. If she could only keep her emotions under control, there would be a good chance that she could really help him (Maurice Wilkins). The thought could not be avoided that the best home for a feminist was another person's lab ... ...

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... the fall of 1951 when he visited the Cavendish laboratory of Cambridge University. He went to Cambridge to join a small group of physicist and chemist who were working on the three dimensional structures of proteins. His colleges were Francis crick, Max Perutz, and sir Lawrence Bragg. Crick was a very well known man sometimes categorized with Rutherford and Bohr. Crick had a very ... ...

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... made the essential studies of carbon and graphite microstructures. The work that she performed here was the groundwork for her doctorate from Cambridge University in 1945 in physical chemistry. For three years in Paris while she worked for the Laboratoire Central des Services Chiminques de L?Etat she learned X-ray diffraction techniques. After leaving Paris, she went back to England to work ... ...

• Word Count: 243
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