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14 Mar 2019

Identify the research question addressed as a whole and the experimental approaches used.

Describe each figure including how previous knowledge led to the question that prompted each experiment, how the question was addressed through experiments, and the results and conclusions of each experiment.

Explain each experiment and identify the controls.

Discuss other approaches to answer the same question.

Evaluate the validity of the author’s conclusions.

A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus

Felisa Wolfe-Simon, et al. Science 332, 1163 (2011); http://science.sciencemag.org/content/332/6034/1163

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Jean Keeling
Jean KeelingLv2
14 Mar 2019

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