https://pages.htgaa.org/2026a/juhi-dhanesha/homework/week-04-protein-design-part-01/index.htmlConceptual Questions Why do humans eat beef but do not become a cow, eat fish but do not become fish? As we eat other materials, the proteins and molecules are broken down through our digestive system, leaving us with building blocks to support our cell replication processes. Why are there only 20 natural amino acids? These 20 amino acids were created as life was forming, and after the ‘frozen accident’, the proteins that developed at this time seem to have standardized these 20 amino acids. There were more and are more amino acids, however this connection between protein and AA during early evolution created this set of 20.Hugoen