Podcast
Questions and Answers
What is fractionation?
What is fractionation?
- A process of separating a substance based on its physical properties.
- A process of converting a substance from solid to liquid form.
- A process of breaking up a substance into fractions based on chemical composition. (correct)
- A process of combining substances to create a new compound
How was insulin discovered?
How was insulin discovered?
- Using fractionation techniques. (correct)
- By analyzing the structure of proteins.
- By studying the chemical properties of sugar.
- Through x-ray crystallography.
Who discovered the double helix structure of DNA?
Who discovered the double helix structure of DNA?
- Rosalind Franklin.
- Linus Pauling.
- James Watson and Francis Crick. (correct)
- Maurice Wilkins.
What was Rosalind Franklin's role in the discovery of the structure of DNA?
What was Rosalind Franklin's role in the discovery of the structure of DNA?
Who won the Nobel Prize in Physiology and Medicine for their discovery of DNA?
Who won the Nobel Prize in Physiology and Medicine for their discovery of DNA?
What is DNA made up of?
What is DNA made up of?
What is the width of DNA?
What is the width of DNA?
Where was the discovery of DNA structure published?
Where was the discovery of DNA structure published?
Study Notes
- Fractionation is a process of breaking up a substance into fractions based on chemical composition.
- Insulin was discovered using fractionation techniques.
- James Watson and Francis Crick discovered the double helix structure of DNA in 1953.
- Rosalind Franklin played a critical role in the discovery of the structure of DNA through x-ray crystallography.
- Watson, Crick, and Wilkins won the Nobel Prize in Physiology and Medicine for their discovery of DNA in 1962.
- DNA is a macromolecule made up of two poly nucleotide chains.
- The DNA structure has a major and minor groove that affects the accessibility of proteins and other molecules.
- DNA is 2 nanometers wide.
- The discovery of DNA structure was published in a one-page paper in Nature in 1953.
- Rosalind Franklin did not receive a Nobel Prize for her work due to her death before the award was given.
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Description
Test your knowledge on the fascinating discovery of DNA's double helix structure and the scientists who made it happen. Learn about the process of fractionation and how it led to the discovery of insulin. Discover the important role that Rosalind Franklin played in the discovery of DNA and the controversy surrounding her lack of recognition. This quiz is perfect for anyone interested in science, genetics, and the history of scientific breakthroughs.
