Which hypothesis helps to explain why all organisms share the same genetic code? A. Early Earth had an abundance of volcanoes and lacked an ozone layer. B. Deep-sea vents provided the energy needed for the first organic compounds to form. C. Microspheres divided and share common characteristics with present-day cells. D. Self-replicating RNA molecules passed on genetic information.
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Which hypothesis helps to explain why all organisms share the same genetic code? A. Early Earth had...
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