The first genes on Earth were probably
A) DNA produced by reverse transcriptase from abiotically produced RNA.
B) DNA molecules whose information was transcribed to RNA and later translated in polypeptides.
C) auto-catalytic RNA molecules.
D) oligopeptides located within protobionts.
Correct Answer:
Verified
Q8: If it were possible to conduct sophisticated
Q9: Which of the following factors weaken(s)the hypothesis
Q10: The synthesis of new DNA requires the
Q11: Approximately how far back in time does
Q12: What is true of the fossil record
Q14: What is thought to be the correct
Q15: If natural selection in a particular environment
Q16: What is true of the Cambrian explosion?
A)
Q17: Which of the following is the correct
Q18: Several scientific laboratories across the globe are
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