10 Questions
Who proposed the theory that life forms might have reached Earth impacted by meteorites?
Alexander Oparin
What did the Miller-Urey Experiment aim to confirm?
The theory of abiogenesis proposed by Alexander Oparin
What were the contents of the primitive atmospheric mixture used in the Miller-Urey Experiment?
Methane and water vapor
What are coacervates according to Oparin's research?
A collection of organic molecules in a water medium
What was the main purpose of the panspermia theory?
To explain the role of comets in the origin of life on Earth
What is the electric spark theory related to the origin of life on Earth?
It suggests that life began when frequent lightning struck Earth and produced biomolecules
What is the significance of deep-sea hydrothermal vents in the origin of life theories?
They sent out scorching gases and liquids, leading to the production of molecules of life
What is the main feature of a protocell, as described in the text?
It is a circular structure with small biomolecules inside
Why did the theory of life starting in oceans sheathed in ice gain prominence according to the text?
Because it was supported by evidence of increased stability of amino acids at low temperatures
What is the theory of abiogenesis related to the origin of life on Earth?
It is a theory suggesting that life began when molecules of life form from simple inorganic molecules
Test your knowledge on the scientific theories about the origin of life on Earth and the conjectures proposed by scientists. Explore the electric spark theory and other significant hypotheses.
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