The cell wall . a)is thick and rigid b)is made of cellulose c)does not allow the transport of chemicals d)is only present in animal cells e)supports and protects the cell

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