Which of the features of this carbon-based macromolecule can be used to distinguish it from the other biological molecules? Group of answer choices Nitrogen atom Presence of carbon Sugar ring Phosphate group

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