Which one of the following discoveries involving dna happened first? a. griffith learned that a chemical changed harmless cells into harmful cells. b. chargaff discovered that base pairing was consistent in samples of dna. c. hershey and chase used bacteriophages to confirm that dna was the genetic material in genes. d. avery discovered that dna was responsible for storing and passing information through generations.
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Which one of the following discoveries involving dna happened first? a. griffith learned that a che...
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