Multiple Choice
Which of the following molecules was most likely the first genetic material on Earth?
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) self-replicating RNA molecules with catalytic activity
D) oligopeptides located within protocells
Correct Answer:

Verified
Correct Answer:
Verified
Q47: Which of the following lists most likely
Q48: Which of the following statements best describes
Q49: Which of the following statements provides evidence
Q50: Which of the following statements best explains
Q51: An early consequence of the release of
Q53: Which of the following factors most likely
Q54: A genetic change that caused a certain
Q55: The oxygen revolution changed Earth's environment dramatically.
Q56: Large-scale, worldwide adaptive radiations have occurred in
Q57: The half-life of carbon-14 is about 5,730