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Which statement best supports the RNA world hypothesis? a. DNA molecules are a precursor to self-replicating RNA molecules, which are used to build proteins. b. Early RNA molecules were able to self-replicate, which helps to explain why all organisms share the same genetic code C. Simpler self-replicating organic molecules preceded RNA and contain genetic information. d. The absence of oxygen in Earth's early atmosphere allowed for proteins to catalyze the production of new RNA molecules.
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Which statement best supports the RNA world hypothesis? a. DNA molecules are a precursor to self-rep...
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