Refer to the Figure Below Illustrating the "RNA World" Hypothesis

question 185

Multiple Choice

Refer to the figure below illustrating the "RNA world" hypothesis. Which statement about this hypothetical evolutionary model is true?

• A) It supports the hypothesis that proteins appeared on Earth before nucleic acids.
• B) It would be impossible in reality, since RNA is synthesized from DNA.
• C) It would require prebiotic synthesis of fatty acids.
• D) It is consistent with the activity of modern retroviruses that synthesize DNA.
• E) It is inconsistent with the hypothesis that nucleic acids were the first catalysts.

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