Which of the following is a correct statement about the currently accepted "rna world hypothesis" which possibly to explain the evolution sequence of dna, rna, and proteins?
a) rna arose from dna
b) dna arose from rna
c) proteins were the first catalysts
d) dna was the first catalyst
e) the current protein translation system under which genomic dna is transcribed into rna and rna is then translated into proteins which function as catalysts in enzymatic reactions has always existed. no previous variable transcription/translation system existed.