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Updated Biology Courses cardella

General Biology
Prof. Bryan Cardella, M.Ed.

ap biology eaton

AP Biology 
Dr. Carleen Eaton, M.D.

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DNA Discovery & Structure

  • The series of experiments leading to the discovery of DNA as the genetic material is a perfect example of how advances in science are made. Biologists use information collected previously to answer new questions and solve new problems. Each discovery is a stepping-stone to the next discovery.

  • In this Lesson, we'll look at how scientists established that DNA holds the hereditary information and see how the structure of DNA was determined.

  • We'll also see how DNA's elegant structure has important implications for DNA replication.