How Does X-Ray Crystallography Provide Details About Molecular Structure

question 65

Multiple Choice

How does x-ray crystallography provide details about molecular structure?  

• A)Only DNA molecules scatter x-rays; therefore, this helped to prove that DNA was the genetic material in cells.
• B)X-rays are reflected by some atoms and absorbed by others; thereby giving clues to molecule structure.
• C)X-rays are scattered by atoms in a specific pattern, from which molecular size, shape, and spacing of repeating elements can be calculated.
• D)This technique captures photographs of magnified molecules.
• E)X-rays can be used to isolate DNA molecules from living organisms.

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