The link above uses physical constants to show how fine-tuned the natural laws are for life. I also believe that biology can show how amazing life is and I think would be a good tool for evangelization. In the picture here (top left) I show one of thousands of types of proteins, called ATP Synthase (pronounced ATP sin-thase). It is the energy machine of the cell (the basic biological unit). Proteins are made of dozens up to thousands of sub-units called amino acids, which in turn are made of atoms. Each of the amino acids that make one part of the ATP Synthase is represented by a letter (center right), and atoms are separate letter symbols (bottom left). These atoms must be in precise order so the proteins can form and work successfully. The picture (by David Goodsell at RCSB-PDB) and the amino acid data (from Uniprot) are from these links:
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