B: things made of a single atom
DNA contains its genetic information in the nucleus
Well, its "Petroleum engineers" they help create stuff to work with earth basically.
So the Biosphere can run corectly
Enzymes are biological catalysts which speed up the speed of reaction by lowering the activation energy without itself being consumed for e.g to digest proteins there are dfrn enzymes and to digest carbohydrates there are dfrn enzymes every enzyme is specific in its function
