Multiple Choice
Experiments like those first performed by Miller and Urey demonstrated that ____.
A) DNA forms readily and reproduces itself
B) amino acids and other organic compounds could form in conditions that mimicked the earth's early atmosphere
C) complete, functioning prokaryotic cells are formed after approximately three months
D) a lipid-protein film will eventually be formed by thermal convection
E) meteorites contained organic compounds
Correct Answer:
Verified
Correct Answer:
Verified
Q16: In simulations of tidal flat conditions, amino
Q17: Four of the five answers below were
Q18: The primitive Earth's atmosphere contained very little
Q19: What may have been a site for
Q20: Once an endosymbiotic relationship was established between
Q22: What structure may have acted as a
Q23: Four of the five answers listed below
Q24: The first fossilized eukaryotes date to about
Q25: By one hypothesis, clay _.<br>A)facilitated assembly of
Q26: The first organisms were most probably _.<br>A)eukaryotic<br>B)multicellular<br>C)protozoans<br>D)prokaryotic<br>E)algae