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Unlocking the Secrets of DNA

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Questions and Answers

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?

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?

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?

She played a critical role through x-ray crystallography. Signup and view all the answers

Who won the Nobel Prize in Physiology and Medicine for their discovery of DNA?

James Watson, Francis Crick, and Maurice Wilkins. Signup and view all the answers

What is DNA made up of?

Two poly nucleotide chains. Signup and view all the answers

What is the width of DNA?

2 nanometers. Signup and view all the answers

Where was the discovery of DNA structure published?

In a one-page paper in Nature in 1953. Signup and view all the answers

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.