History of DNA

Who took an x-ray picture of DNA and was able to determine that the shape was a 'spiral'?

• Rosalind Franklin

• Erwin Chargaff

• James Watson and Francis Crick

• Johann Miescher

Who is credited for finding the structure of DNA (built a working model of the structure)?

• Rosalind Franklin

• Erwin Chargaff

• James Watson and Francis Crick

• Oswald T. Avery

What did Rosalind Franklin contribute to the history of DNA?

• She made a model of DNA

• She used X-ray crystallography to take a photograph of DNA

• She died of cancer at 37

• She stole the photo of DNA

Rosalind Franklin's "Photo 51" allowed Watson and Crick to determine the _______ of DNA.

• Shape

• Backbone

• Nitrogen bases

• Hydrogen bonds

Tags

NGSS.HS-LS1-1

Who are the people who played a major role in DNA and genetics?

• Gregor Mendel, Rosalind Franklin, James Watson, Francis Crick

• Gregor Mendel, Benjamin Franklin, James Watson Sherlock Holmes

Tags

NGSS.HS-LS3-1

Who are James Watson and Francis Crick?

• They are relatives of Sherlock Holmes and John Watson

• Were thieves

• Built the first accurate model of DNA

• Story characters

The work of Erwin Chargaff allowed Watson and Crick to determine the rules of.......

• protein synthesis

• transcription

• hydrogen bonding

• nitrogen base pairing

Who discovered the double helix structure of DNA?

• Rosalind Franklin

• Erwin Chargaff

• James Watson and Francis Crick

• Johann Miescher

What technique did Rosalind Franklin use to photograph DNA?

• Electron microscopy

• X-ray crystallography

• Nuclear magnetic resonance

• Mass spectrometry

Who first isolated DNA from cells?

• James Watson

• Johann Miescher

• Francis Crick

• Rosalind Franklin