Which observation(s)and/or experiment(s)demonstrate ways that the chemical building blocks of life (amino acids and DNA bases)could have originated on the early Earth?
A)Amino acids and DNA bases form from simple chemical reactions in experiments simulating the early Earth atmosphere.
B)Experiments have shown that naturally occurring clays can catalyze the formation of RNA strands.
C)These complex molecules have been found within meteorites.
D)All of the above

Question

Quizplus · Accepted Answer

A) Experiments simulating the atmosphere of the early Earth have found that amino acids and DNA bases can form from simple chemical reactions, demonstrating that the building blocks of life could have originated on Earth.
B) Experiments have also shown that naturally occurring clays can catalyze the formation of RNA strands, which could have aided in the formation of the first living organisms.
C) Additionally, complex molecules such as amino acids and DNA bases have been found within meteorites, suggesting that they could have been brought to Earth from outer space.

Which Observation(s)and/or Experiment(s)demonstrate Ways That the Chemical Building Blocks of Life