How is dna described and what does it mean?

The chemical form of energy that is useable by the cell to do work

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

What type of bonds link individual amino acids together?