Biology Forums - Study Force

Why is it believed that RNA was the first informational molecule to evolve?
  a. RNA molecules can replicate into DNA molecules.
  b. RNA molecules are more central to modern inheritance than DNA.
  c. RNA molecules degrade more slowly in solution than DNA molecules.
  d. RNA molecules are much simpler structures than other macromolecules.
  e. RNA molecules are able to function as both enzymes and substrates for their own replication.

Question 2

The occurrence of an RNA world early in the history of life can never be proven, but experiments with _____ have
  shown that it is feasible.
  a. in vitro evolution
  b. Darwins evolution
  c. indirected evolution
  d. chemical evolution
  e. biological evolution

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Amazing, correctly answered