Podcast
Questions and Answers
What is the main idea behind the prebiotic soup model?
What is the main idea behind the prebiotic soup model?
- Synthesis of molecules from volcanic eruptions
- Synthesis of molecules from deep sea vents
- Synthesis of molecules from gases in the atmosphere (correct)
- Synthesis of molecules from sunlight
Who proposed the surface metabolism model?
Who proposed the surface metabolism model?
- J.B.S. Haldane
- Alexander I. Oparin (correct)
- Charles Darwin
- Stanley Miller
In what year did Stanley Miller perform the breakthrough experiment testing the prebiotic soup model?
In what year did Stanley Miller perform the breakthrough experiment testing the prebiotic soup model?
- 1945
- 1924
- 1953 (correct)
- 1967
What gases were present in Earth's early atmosphere in Stanley Miller's experiment?
What gases were present in Earth's early atmosphere in Stanley Miller's experiment?
What was the experimental setup designed to represent in Stanley Miller's experiment?
What was the experimental setup designed to represent in Stanley Miller's experiment?
Which scientist first proposed the Oparin–Haldane hypothesis?
Which scientist first proposed the Oparin–Haldane hypothesis?
What crucial component did the electrical discharges in Miller's experiment add to the reaction mix?
What crucial component did the electrical discharges in Miller's experiment add to the reaction mix?
What color did the solution in the boiling flask turn after a day of continuous boiling and sparking in Miller's experiment?
What color did the solution in the boiling flask turn after a day of continuous boiling and sparking in Miller's experiment?
Why did Miller boil the water constantly in his experiment?
Why did Miller boil the water constantly in his experiment?
What is a common misconception about the starting molecules used in Miller's experiment at the boiling point of water?
What is a common misconception about the starting molecules used in Miller's experiment at the boiling point of water?
What were the two poisonous chemicals found by Miller when he analyzed samples from the mini-ocean?
What were the two poisonous chemicals found by Miller when he analyzed samples from the mini-ocean?
What type of energy would have been required for the substrates in Miller's experiment to react without the addition of electrical discharges?
What type of energy would have been required for the substrates in Miller's experiment to react without the addition of electrical discharges?
What was the significance of the broth in the straight-necked flask being exposed to preexisting cells?
What was the significance of the broth in the straight-necked flask being exposed to preexisting cells?
What conclusion can be drawn from the swan-necked flask remaining sterile even after months of standing?
What conclusion can be drawn from the swan-necked flask remaining sterile even after months of standing?
Which statement accurately describes the composition of atoms in organisms today?
Which statement accurately describes the composition of atoms in organisms today?
What is the role of isotopes in the context of atoms?
What is the role of isotopes in the context of atoms?
What is the atomic weight of an element based on?
What is the atomic weight of an element based on?
How did Louis Pasteur's results impact biologists' understanding of cell generation?
How did Louis Pasteur's results impact biologists' understanding of cell generation?