Exploring the Impact of DNA Structure Discovery

In 1953, scientists in Cambridge, including Watson and Crick, were working to understand DNA's structure. They built on discoveries by Chargaff and Franklin, leading to the double helix model. This breakthrough explained DNA's ability to store genetic information and replicate, earning a Nobel Prize and revolutionizing biology.

In which year did the significant DNA discovery take place in Cambridge?

• 1973

• 1963

• 1953

• 1943

What are the four compounds that make up DNA?

• Adenine, Thymine, Cytosine, Guanine

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Cytosine, Guanine, Uracil

• Adenine, Thymine, Guanine, Uracil

Who were the scientists that thought the answer to the DNA puzzle was in its structure?

• James Watson and Morris Wilkins

• Morris Wilkins and Rosalind Franklin

• James Watson and Francis Crick

• Erwin Chargaff and Rosalind Franklin

What did Erwin Chargaff discover about the relative amounts of DNA bases?

• Adenine equals Thymine, Guanine equals Cytosine

• Adenine equals Guanine, Thymine equals Cytosine

• Adenine equals Cytosine, Thymine equals Guanine

• Adenine equals Thymine, Guanine equals Uracil

What did Rosalind Franklin's x-ray pictures suggest about the structure of DNA?

• It was a double helix

• It was a triple helix

• It was a quadruple helix

• It was a single strand

How many bonds are there between Adenine and Thymine?

• Four

• One

• Three

• Two

How many bonds are there between Cytosine and Guanine?

• One

• Three

• Four

• Two

What did the specific pairings of DNA bases suggest?

• The function of RNA

• The process of transcription

• The structure of proteins

• The mechanism for DNA replication

Who received the Nobel Prize for the discovery of the DNA structure?

• James Watson, Francis Crick, and Rosalind Franklin

• James Watson, Francis Crick, and Morris Wilkins

• Francis Crick, Rosalind Franklin, and Morris Wilkins

• James Watson, Rosalind Franklin, and Morris Wilkins