DNA Discovery Scientist

Who was the scientist who used X-rays to "take a picture" of DNA which was eventually used to figure out the structure of DNA?

• Rosalind Franklin

• Watson and Crick

• Maurice Wilkins

• Sherlock and Watson

What is the name of the two scientists who used Rosalind Franklin's X-ray image to determine the double helix shape of DNA?

• Watson and Crick

• Watson and Franklin

• Crick and Franklin

• Sherlock and Watson

Tags

NGSS.HS-LS1-1

Which of the following correctly outlines Chargaff's rule?

• % G = % T

• % C = % A

• % A = % T

• % C = % A

Which technique did Rosalind Franklin use to produce the famous Photo 51?

• Mass spectrometry

• Flow cytometry

• DNA electrophoresis

• X-ray crystallograhy

Which of the following is NOT a feature of Watson & Crick's early model of DNA structure?

• Double helix

• Bases on outside

• Sugar phosphate backbone on inside

• Triple helix

Which of the following is INCORRECT about the structure of DNA we know today?

• Made up of nucleotides

• Bases on outside

• Sugar-phosphate backbone on outside

• Double stranded

Tags

NGSS.HS-LS1-1

Chargraff's Rule says that

• Adenine will be equal to Thymine
• Cytosine will be equal to Thymine
• Uracil will be equal to Guanine
• Adenine will be equal to Cytosine

Franklin used x-ray crystallography to determine the shape of the DNA molecule is

• a cloverleaf
• a braided rope
• a pleated sheet
• a twisted ladder

Which scientist(s) determined that viruses contain DNA?

• Avery & McLeod

• Watson & Crick

• Griffith & Franklin

• Hershey & Chase

Who discovered that the genetic material in a bacteriophage was DNA?

• Hershey & Chase

• Griffith

• Avery

• Watson & Crick