Several Different Researchers Contributed to the Study of the Structure

question 95

Multiple Choice

Several different researchers contributed to the study of the structure of DNA. What did Frederick Griffith contribute?

• A) X-ray crystallography was used to show DNA is a repeating helical structure
• B) The percent of adenine is equal to the percent of thymine and the percent of guanine is equal to the percent of cytosine
• C) There is a transforming factor that exists and can change bacteria's characteristics
• D) Transformation of bacteria did not occur with the addition of DNase enzyme, suggesting DNA is the genetic material

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