Every living thing, from a massive blue whale to the mold on a piece of bread, is built from the same four types of biological molecules. You can think of these as the "universal LEGO set" of nature:
We are currently living through one of the most exciting eras in science history. For decades, the "holy grail" of biology was understanding how proteins fold into their specific shapes—a puzzle so complex it seemed impossible to solve. biological science
The Invisible Architects: How Tiny Biological Molecules Run Our Giant World Every living thing, from a massive blue whale