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Ribosomes can catalyze formation of peptide bonds. This supports the hypothesis that _____ .

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Ribosomes can catalyze formation of peptide bonds. This supports the hypothesis that _____ .

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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ridhima14598 Author

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