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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The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s
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Which one of the following discoveries involving dna happened first? a. griffith learned that a che...
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