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    Biology
  3. Study Set
    Cell and Molecular
  4. Exam
    Exam 11: Gene Expression: From Transcription to Translation
  5. Question
    As Life Was First Evolving,what Molecule Is Thought to Have
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As Life Was First Evolving,what Molecule Is Thought to Have

Question 58

Question 58

Multiple Choice

As life was first evolving,what molecule is thought to have performed double duty as the genetic material and performing catalysis of chemical reactions?


A) RNA
B) proteins
C) polypeptides
D) DNA
E) both proteins and polypeptides

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