Transporting amino acids into the ribosomes from the cytoplasm for assembly into proteins is the function of:

A. DNA
B. mRNA
C. tRNA

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes