Unit 4 DNA Review - Targets 1,2

1) I can describe the experiments by Griffith, and Hershey and Chase that led to the discovery of DNA as the genetic material in cells. 2) I can describe the structure of DNA. -Describe the shape as discovered by Watson and Crick -Distinguish between the role covalent bonds and hydrogen bonds on a DNA molecule. -Explain complementary base pairing (A/T, C/G). -Identify the three components of a nucleotide.

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