DIRECTORY PART 2

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Questions and Answers

Which scientist was awarded the Nobel Prize for their research on the cellular basis of behavior?

  • Eric Kandel (correct)
  • Peter Higgs
  • Mario J. Molina
  • Mae Carol Jemison

What breakthrough contribution is associated with Donna Strickland?

  • Development of chirped pulse amplification (correct)
  • Investigation of elementary particle mass
  • Identification of cystic fibrosis gene
  • Discovery of chlorofluorocarbon effects

Which prize was awarded to Mario J. Molina in recognition of his work on the environmental effects of CFCs?

  • Nobel Prize in Physics
  • Nobel Prize in Physiology or Medicine
  • National Medal of Science
  • Nobel Prize in Chemistry (correct)

What significant scientific accomplishment is attributed to Lap-Chee Tsui?

<p>Identification of the cystic fibrosis gene (D)</p> Signup and view all the answers

Which scientist made significant contributions to understanding chromosome stability through their research on telomeres?

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

Which theory did Fred Hoyle support that maintains a constant density of matter as the Universe expands?

<p>Steady State Theory (D)</p> Signup and view all the answers

What did Irene Uchida primarily investigate in her research?

<p>Effect of X-rays on chromosomes (C)</p> Signup and view all the answers

Katherine Johnson's significant contributions were in the area of?

<p>Mathematics for space missions (D)</p> Signup and view all the answers

Which contribution is Yvonne Brill most known for?

<p>Development of a propulsion system for unmanned spacecraft (D)</p> Signup and view all the answers

What major scientific achievement is Abdus Salam credited with proposing?

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

Vera Rubin's discoveries contradicted which of Newton's principles?

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

Which type of health conditions did Irene Uchida examine in relation to chromosome differences?

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

What was a key role of Katherine Johnson in the Apollo 11 mission?

<p>Determining the flight path (A)</p> Signup and view all the answers

What did Vera Rubin demonstrate about the Andromeda Galaxy?

<p>Stars orbit at consistent speeds regardless of their distance from the center (D)</p> Signup and view all the answers

Which theory was Fred Hoyle critical of during his career?

<p>Big Bang Theory (C)</p> Signup and view all the answers

Flashcards

Steady State Theory

Theory that the universe has a constant density while expanding due to continuous matter creation.

Hoyle's contribution to element creation

Proposed that chemical elements form step-by-step by nuclear reactions in stars.

Electroweak theory

Abdus Salam's theory unifying the weak and electromagnetic forces.

Rubin's Galaxy Observation

Observed that outer stars in spiral galaxies move as fast as those closer to the center, challenging Newton's laws.

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Invisible matter

Dark matter that affects star speeds in galaxies, beyond observed amounts

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Chromosome Differences (Uchida)

Irene Uchida studied how genes and chromosomes affect health in diseases like Down syndrome and congenital heart disease

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X-rays affect chromosomes

Irene Uchida examined the impact of X-rays on chromosomes.

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Katherine Johnson's Role

Mathematically calculated space missions, including Apollo 11.

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Yvonne Brill's invention

Invented a propulsion system to keep spacecraft in stationary orbit.

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Spacecraft Propulsion (Brill)

Yvonne Brill worked on thrusters for weather satellites and rocket designs for US Moon missions, and the Mars observer.

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Higgs boson

A particle predicted by Peter Higgs' theory, explaining the origin of mass in elementary particles.

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Synapses in memory

Eric Kandel's research focused on how nerve junctions (synapses) affect memory and learning.

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CFCs and ozone depletion

Mario Molina and Sherwood Rowland discovered that chlorofluorocarbons (CFCs) damage the ozone layer.

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Cystic Fibrosis gene

Lap-Chee Tsui contributed to identifying the gene responsible for cystic fibrosis.

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Chirped pulse amplification

A technique developed by Donna Strickland with Gérard Mourou, used in optics.

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