History of DNA

Who was responsible for the model shown?

• Oswald Avery

• Watson and Crick

• Erwin Chargaff

• Rosalind Franklin

Who is responsible for producing this image?

• Francis Crick

• James Watson

• Rosalind Franklin

• Watson and Crick

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NGSS.HS-LS1-1

How did Rosalind Franklin's photo 51 affect the work of Watson and Crick?

• It was used to determine the physical structure of DNA

• It was used to identify the four bases that make up DNA

• It was used to determine the theory of independent assortment

• It was used to show DNA was the molecule of inheritance

From his work with mice and pneumonia-causing bacteria, Frederick Griffith discovered what?

• Replication

• Transcription

• Transformation

• Translation

Who is credited with the discovery of the double helix structure of DNA?

• James Watson and Francis Crick

• Rosalind Franklin and Maurice Wilkins

• Gregor Mendel and Charles Darwin

• Linus Pauling and Erwin Chargaff

What was the significance of the Hershey-Chase experiment in the history of DNA?

• It demonstrated that DNA is the genetic material

• It showed that proteins are the genetic material

• It discovered the double helix structure of DNA

• It identified the four bases of DNA

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NGSS.HS-LS1-1

Which scientist's work with X-ray diffraction was crucial in understanding the structure of DNA?

• Rosalind Franklin

• James Watson

• Francis Crick

• Gregor Mendel

What did Erwin Chargaff discover about the composition of DNA?

• The amount of adenine equals thymine, and the amount of guanine equals cytosine

• DNA is a double helix

• DNA is the genetic material

• DNA is composed of proteins

In what year was the structure of DNA first published by Watson and Crick?

• 1953

• 1944

• 1962

• 1970

What role did Linus Pauling play in the history of DNA?

• He proposed a triple helix model of DNA

• He discovered the double helix structure

• He identified DNA as the genetic material

• He found the four bases of DNA