What may have been the function of RNA molecules in the earliest life forms?

Question

Quizplus · Accepted Answer

RNA molecules are known to have catalytic activity and can act as enzymes in protein synthesis. This suggests that RNA may have played a role in catalyzing chemical reactions in the earliest life forms.

Answer: E
 While it is unclear which specific function RNA molecules may have had in early life forms, it is likely that they had a variety of roles. These could have included facilitating reproduction, allowing for anaerobic or aerobic respiration, acting as enzymes in protein synthesis, and helping to recycle waste products.

What May Have Been the Function of RNA Molecules in the Earliest