Biology, 04.02.2020 12:47 kkingstone1231
In the early 20th century, there was significant debate about what molecules were the hereditary material in living cells. choose frederick griffith’s experiments with lethal s and nonlethal r strains of bacteria or avery, mccarty, and macleod’s continued experiments with the bacteria and answer the following:
a. summarize the experimental procedures and findings.
b. explain how the experimental results supported the idea that dna is the hereditary molecule in cells.
Answers: 3
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In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
Answers: 3
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