A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
<h2>Answer:</h2><h2 /><h2>DNA molecules are a precursor to self-replicating RNA molecules, which are used to build proteins. Early RNA molecules were able to self-replicate, which helps to explain why all organisms share the same genetic code.</h2>
Electrons (negatively charged subatomic particles)
Stroma that's where energy is stored
