Several Different Researchers Contributed to the Study of the Structure

question 36

Multiple Choice

Several different researchers contributed to the study of the structure of DNA. What did Oswald Avery 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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Definitions:

Interquartile Range

The difference between the 75th and 25th percentiles of a data set, representing the spread of the middle 50% of the values.

Observations

Recorded data or measurements that are collected from studies or experiments.

Quartiles

Values that divide a dataset into four equal parts, helping in assessing the spread and the central tendency of the data.

Histogram

A type of bar chart that represents the frequency distribution of numerical data.