The Base Adenine Forms from ________ in Experiments Simulating the Origin

Question

The base adenine forms from ________ in experiments simulating the origin of life on Earth.
A) carbon dioxide and nitrate
B) ethanol and urea
C) methane and ammonia
D) adenosine and PO4
E) ribose and RNA

Accepted Answer

In experiments simulating the origin of life on Earth, the base adenine has been formed from methane and ammonia, suggesting that these simple molecules may have been involved in the early stages of life.