We think of DNA as the stuff that stores the geneticcode. It turns out that DNA occurs
Chapter 0, Problem 24.33(choose chapter or problem)
We think of DNA as the stuff that stores the geneticcode. It turns out that DNA occurs, mainly outside living cells, on the oceanfloor. It is important in nourishing seafloor life. Scientists think that this DNAcomes from organic matter that settles to the bottom from the top layers of theocean. Phytopigments, which come mainly from algae, are a measure of theamount of organic matter that has settled to the bottom. Table 24.4 contains dataon concentrations of DNA and phytopigments (both in grams per square meter)in 116 ocean locations around the world.9 Look first at DNA alone. Describe thedistribution of DNA concentration and give a confidence interval for the meanconcentration. Be sure to explain why your confidence interval is trustworthy in the light of the shape of the distribution. The data show surprisingly high DNAconcentration, and this by itself was an important finding.
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