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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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michelle6899 michelle6899
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7 years ago
What was the significance of the Hershey-Chase experiments in which 32P and 35S were used?
 
  a. They finally demonstrated the semiconservative nature of DNA replication.
  b. They demonstrated that harmless bacterial cells had become permanently transformed through a change in the bacterial hereditary system.
  c. They established that pure DNA extracted from disease-causing bacteria transformed harmless strains into killer strains.
  d. They demonstrated that radioactively labeled bacteriophages transfer their DNA but not their protein coats to their host bacteria.
  e. They demonstrated that DNA content of a cell does not vary over time.
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7 years ago
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