Fred Griffith's Experiment with Two Strains of Pneumonia-Causing Bacteria Demonstrated

question 65

Multiple Choice

Fred Griffith's experiment with two strains of pneumonia-causing bacteria demonstrated ____.

• A)the semiconservative nature of DNA replication
• B)that harmless bacterial cells can be permanently and heritably transformed into lethal bacterial cells
• C)that each cell of a given species contains the same amount of DNA
• D)that radioactively labeled bacteriophages transfer their DNA but not their protein coats to their bacterial host
• E)that mice can change the hereditary content of bacteria

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