Protein synthesis on the primordial Earth may have been catalyzed by ____ before the evolution of enzymes.
A)DNA
B)carbohydrates
C)amino acids
D)RNA
E)lightning

Question

Quizplus · Accepted Answer

RNA is believed to have played a crucial role in protein synthesis before the evolution of enzymes. This is known as the RNA World hypothesis. RNA may have acted as both a genetic material and a catalyst for chemical reactions, allowing for the formation of amino acids and eventually proteins.

Protein Synthesis on the Primordial Earth May Have Been Catalyzed