Francis Crick and DNA Discovery Quiz

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Questions and Answers

Which significant discovery is Francis Crick known for?

  • Mechanism of photosynthesis
  • Structure of RNA
  • Structure of DNA (correct)
  • Role of nucleotides in protein synthesis

Which university did Francis Crick attend for his graduate work?

  • University of California, Berkeley
  • University of Cambridge
  • University College London (correct)
  • University of Zurich

What research area did Crick and Watson primarily focus on during their collaboration?

  • Structure of DNA (correct)
  • Viscosity of water
  • Structure of proteins
  • Composition of nucleic acids

Which dimension of molecular biology did Crick explore during his time at the Cavendish Laboratory?

<p>Viscosity of water (B)</p> Signup and view all the answers

What year did Crick and Watson publish their groundbreaking paper on DNA?

<p>1953 (C)</p> Signup and view all the answers

Who did Francis Crick collaborate with on the DNA structure discovery?

<p>James Watson (D)</p> Signup and view all the answers

In what atmosphere did Crick's PhD studies occur?

<p>Emphasis on theoretical physics (B)</p> Signup and view all the answers

Which scientific methodology did Crick and Watson predominantly utilize for their DNA research?

<p>X-ray crystallography (C)</p> Signup and view all the answers

What significant discovery are Francis Crick and James Watson known for?

<p>The molecular structure of DNA (C)</p> Signup and view all the answers

In which year did Crick complete his PhD?

<p>1954 (B)</p> Signup and view all the answers

Which prestigious award did Francis Crick receive in 1962?

<p>The Nobel Prize (A)</p> Signup and view all the answers

What was one of the areas Crick focused on after moving to California?

<p>Developmental neurobiology (A)</p> Signup and view all the answers

What method did Crick initially use in his research before transitioning to biology?

<p>X-ray diffraction (B)</p> Signup and view all the answers

Who did Crick collaborate with to unlock the molecular structure of DNA?

<p>James Watson (B)</p> Signup and view all the answers

In what year did Crick begin his PhD at the Cavendish Laboratory?

<p>1949 (B)</p> Signup and view all the answers

What title was Crick awarded in 1976 at the Salk Institute?

<p>Distinguished Research Professor (D)</p> Signup and view all the answers

Who is credited with the identification of the neutron?

<p>James Chadwick (C)</p> Signup and view all the answers

What did Rutherford's atomic model suggest about the structure of the atom?

<p>Atoms are mostly empty space. (C)</p> Signup and view all the answers

What surgical procedure did António Egas Moniz develop?

<p>Lobotomy (A)</p> Signup and view all the answers

In what year did António Egas Moniz invent the angiogram?

<p>1927 (D)</p> Signup and view all the answers

Which scientist is associated with the phrase about the atom being a 'nice hard fellow'?

<p>Ernest Rutherford (A)</p> Signup and view all the answers

What did Rutherford's atomic model challenge about previous atomic theories?

<p>The atom is a compact sphere. (C)</p> Signup and view all the answers

Which of the following contributions is NOT attributed to António Egas Moniz?

<p>Research in radioisotopes. (C)</p> Signup and view all the answers

What aspect of the atom was first introduced in Rutherford's model?

<p>Electrons orbiting the nucleus (B)</p> Signup and view all the answers

Flashcards

Cepheid Variable Star

A type of star that pulsates, changing its brightness in a regular pattern.

Nova

A powerful, short-lived explosion on a star's surface, briefly making it much brighter.

Miller-Urey Experiment

The first experiments using a closed system to simulate Earth's early atmosphere and create organic compounds from simple gases.

Stellar Photometry

The study of how the brightness of stars changes over time, used to determine their distances.

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Cosmic Distance

The distance between Earth and a celestial object, often measured in light-years.

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Molecular Biology

The scientific field that studies the structure and behavior of DNA.

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Double Helix

A model of the structure of DNA, discovered in 1953 by James Watson and Francis Crick.

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Abiogenesis

The process of converting simple chemicals into more complex organic compounds, essential for life.

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Rutherford's Atomic Model

A model of the atom proposed by Rutherford in 1911, comparing it to a solar system with electrons orbiting a nucleus.

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Neutron

A neutral particle located in the atom's nucleus alongside protons, discovered in 1932.

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Angiogram

A type of X-ray used to examine blood vessels, invented by António Egas Moniz in 1927.

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Frontal Lobotomy

A controversial surgical procedure that involves cutting connections in the prefrontal cortex of the brain, developed by António Egas Moniz.

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Rutherfordium

The name given to the element with atomic number 104, named after Ernest Rutherford for his contributions to the field of atomic physics.

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António Egas Moniz

Egas Moniz, a Portuguese neurologist, is known for his groundbreaking work on brain imaging and for developing the frontal lobotomy procedure.

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University of Lisbon

Egas Moniz was the first neurological professor at the University of Lisbon.

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Frontal Lobotomy in Psychiatry

Egas Moniz's frontal lobotomy technique was a central aspect of psychiatric treatment in the 1940s and 1950s.

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Who is Francis Crick?

Francis Crick was a British molecular biologist who, in 1953, co-discovered the double helix structure of DNA with James Watson. This discovery revolutionized our understanding of genetics and heredity.

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What was Crick's early career?

During World War II, Crick worked in the Royal Navy to develop magnetic and acoustic mines. After the war, he decided to pursue a career in biology.

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Where did Crick start his research on DNA?

In 1949, Crick joined the Cavendish Laboratory in Cambridge and embarked on a PhD researching the X-ray diffraction of proteins. It was here that he met James Watson, with whom he would collaborate on the DNA structure research.

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What breakthrough did Crick and Watson achieve?

Crick and Watson collaborated on a landmark paper published in "Nature" in 1953. This paper revealed the double helix structure of DNA, a key discovery that revolutionized our understanding of genetics.

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How was Crick's work recognized?

Crick's work on DNA was recognized with prestigious awards, including the Nobel Prize in 1962 and medals from the Royal Society. This highlights the importance of his contribution to the field of biology.

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Where did Crick continue his research after his Nobel Prize?

In 1977, Crick became a Distinguished Research Professor at the Salk Institute for Biological Studies in California. This move cemented his reputation as a leading figure in biological research.

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What were some of Crick's other areas of scientific research?

Crick made significant contributions in studying the genetic code after completing his PhD. He delved into the fascinating world of developmental neurobiology and human consciousness later in his career.

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What is the overarching theme of Francis Crick's life story?

Crick's life story showcases a fascinating journey of scientific exploration. He transitioned from wartime research to groundbreaking discoveries in biology, expanding our understanding of genetics and the complexities of life.

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Study Notes

Scientists Who Changed History

  • This book details the lives and significant contributions of various historical scientists.
  • It highlights key milestones, discoveries, and achievements of these individuals.
  • The book covers several fields of science, including physics, biology, medicine, and more.

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