Francis Crick and James Watson: DNA Discovery
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Questions and Answers

What year did Francis Crick join the Cavendish Laboratory?

  • 1945
  • 1951
  • 1949 (correct)
  • 1953

    • Which of the following statements about James Watson's education is true?

  • He completed his degree at Harvard University.
  • He graduated with a degree in biology.
  • He started university at the age of 15. (correct)
  • He earned his PhD in genetics in 1950.

    • What major project did James Watson lead in 1989?

  • The Cancer Research Project
  • The Bioinformatics Initiative
  • The Human Genome Project (correct)
  • The Human Protein Project

    • In what year did Crick and Watson publish their DNA structure paper?

    <p>1953</p> Signup and view all the answers

    What was one of the main fields Crick ventured into after his PhD?

    <p>Developmental Neurobiology</p> Signup and view all the answers

    What notable achievement occurred in 1962 for Crick and Watson?

    <p>They received the Nobel Prize.</p> Signup and view all the answers

    Which statement reflects Crick's views on the genetic code?

    <p>It is key to molecular biology.</p> Signup and view all the answers

    Where did Crick relocate in 1976?

    <p>California</p> Signup and view all the answers

    What was the primary scientific method used by Crick and Watson to discover DNA's structure?

    <p>Construction of 3D models based on existing chemical properties</p> Signup and view all the answers

    Which of the following best describes the role of Rosalind Franklin in the discovery of DNA's structure?

    <p>Her crucial data was used in the determination of DNA's structure.</p> Signup and view all the answers

    What is a unique feature of DNA's composition identified by Crick and Watson?

    <p>DNA's structure incorporates a sugar-phosphate backbone with four specific bases.</p> Signup and view all the answers

    What timeframe was noted for determining the final structure of DNA after multiple models were attempted?

    <p>Three days</p> Signup and view all the answers

    Which statement correctly reflects the impact of Crick and Watson's discovery on scientific research?

    <p>It laid the groundwork for the development of gene sequencing tools and genetic engineering.</p> Signup and view all the answers

    What role did Erwin Chargaff play in the understanding of DNA structure?

    <p>He noted the base pairing rules of A with T and G with C.</p> Signup and view all the answers

    Which key event aided Crick and Watson in confirming the double helix model of DNA?

    <p>Rosalind Franklin's Photograph 51.</p> Signup and view all the answers

    What was a significant contribution of Rosalind Franklin in the discovery of DNA?

    <p>She produced the X-ray image that revealed DNA's structure.</p> Signup and view all the answers

    What unique feature of the DNA structure did Watson and Crick determine?

    <p>Each base pair has a specific bonded structure.</p> Signup and view all the answers

    How are the 'rungs' of the DNA double helix structured?

    <p>Composed of complementary base pairs.</p> Signup and view all the answers

    What was the relationship dynamic between Rosalind Franklin and Maurice Wilkins during their research?

    <p>They had a hostile working relationship.</p> Signup and view all the answers

    Which of the following best describes the impact of Crick and Watson's discovery on genetics?

    <p>It paved the way for significant advancements in molecular biology.</p> Signup and view all the answers

    What materials were used by Crick and Watson to build their famous 3D model of DNA?

    <p>Metal and paper.</p> Signup and view all the answers

    Study Notes

    Francis Crick

    • Nobel Prize winner, British biophysicist
    • Joint 1953 discovery of DNA structure
    • Studied physics at University College London
    • Worked on magnetic and acoustic mines during WWII
    • Joined Cavendish Laboratory in 1949, Cambridge
    • PhD on X-ray diffraction of proteins in 1951
    • Collaborated with James Watson
    • Discovered DNA's molecular structure in 1954
    • Contributed to genetic code study
    • Moved to California in 1976, studied developmental neurobiology and human consciousness.
    • Key quote "The genetic code is...the key to molecular biology", 1966
    • Started PhD at the Cavendish Laboratory in 1949
    • Published a landmark paper on DNA structure in Nature, April 25, 1953
    • Built 3D models to try and replicate DNA's structure

    James Watson

    • US geneticist and biophysicist, Nobel Prize winner
    • Discovered DNA double helix structure with Crick
    • University of Chicago aged 15, zoology degree in 1947
    • PhD in virus research at the Cavendish Laboratory, 1950
    • Formed productive partnership with Crick
    • Published groundbreaking paper on DNA structure
    • Moved to California then returned to Cavendish for work with Crick
    • Lectured at Harvard, professor of biology in 1960
    • Published biological texts
    • Led Human Genome Project in 1989
    • Key quote: "In science there is only one answer and that has to be correct", 1987
    • Started at the University of Chicago, age 15.
    • Completed his PhD in viruses in 1950 at the Cavendish Laboratory in Cambridge
    • Took part in building 3D models of the DNA molecule.

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    Explore the monumental contributions of Francis Crick and James Watson in the discovery of the DNA structure. This quiz covers their academic backgrounds, significant collaborations, and lasting impacts on molecular biology. Test your knowledge of their groundbreaking work and achievements.

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