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Questions and Answers
Who first discovered the genetic role of DNA?
Who first discovered the genetic role of DNA?
What did Frederick Griffith call the phenomenon whereby some living cells became pathogenic when mixed with heat-killed remains of a pathogenic strain?
What did Frederick Griffith call the phenomenon whereby some living cells became pathogenic when mixed with heat-killed remains of a pathogenic strain?
Who conducted research showing that genes are located on chromosomes, leading to DNA and protein becoming candidates for the genetic material?
Who conducted research showing that genes are located on chromosomes, leading to DNA and protein becoming candidates for the genetic material?
What were the two components of chromosomes that became candidates for the genetic material?
What were the two components of chromosomes that became candidates for the genetic material?
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When did the identification of the molecules of inheritance pose a major challenge to biologists?
When did the identification of the molecules of inheritance pose a major challenge to biologists?
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What did T. H. Morgan's group show about genes?
What did T. H. Morgan's group show about genes?
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What provided more evidence for DNA as the genetic material?
What provided more evidence for DNA as the genetic material?
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What technique did Maurice Wilkins and Rosalind Franklin use to study molecular structure?
What technique did Maurice Wilkins and Rosalind Franklin use to study molecular structure?
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Who showed that DNA is the genetic material of a phage known as T2?
Who showed that DNA is the genetic material of a phage known as T2?
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What did Erwin Chargaff report in 1950?
What did Erwin Chargaff report in 1950?
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What did Oswald Avery, Maclyn McCarty, and Colin MacLeod identify as the transforming substance?
What did Oswald Avery, Maclyn McCarty, and Colin MacLeod identify as the transforming substance?
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What allowed James Watson to deduce that DNA was helical?
What allowed James Watson to deduce that DNA was helical?
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According to Chargaff's rules, what is the relationship between the number of A and T bases and the number of G and C bases in any species?
According to Chargaff's rules, what is the relationship between the number of A and T bases and the number of G and C bases in any species?
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What did Alfred Hershey and Martha Chase conclude based on their experiment with the T2 phage?
What did Alfred Hershey and Martha Chase conclude based on their experiment with the T2 phage?
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Who used X-ray crystallography to study molecular structure?
Who used X-ray crystallography to study molecular structure?
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What did Franklin's X-ray crystallographic images of DNA suggest about its structure?
What did Franklin's X-ray crystallographic images of DNA suggest about its structure?
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