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Home Q & A Board Biology-Related Homework Help General Biology
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ridhima14598 ridhima14598
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6 years ago
Ribosomes can catalyze formation of peptide bonds. This supports the hypothesis that _____ .
 
  a. an RNA world preceded DNA-based genomes
  b. RNA can hold more information than DNA
  c. the first protists had RNA as their genetic material
  d. all of these

Question 2

The prevalance of iron-sulfide cofactors in organisms supports the hypothesis that life arose _____.
 
  a. in outer space
  b. on tidal flats
  c. near deep-sea vents
  d. in the upper atmosphere
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ilovephysicsilovephysics
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6 years ago
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ridhima14598 Author
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#2
6 years ago
Amazing, correctly answered
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