Step 1 : Introduction to the question "Which food contains the highest quality food protein known?"
...A whole egg contains a wealth of nutrients. One egg provides vitamins, minerals, good fats, high-quality protein and other essential nutrients. Eggs contain almost every mineral and vitamin the human body needs to maintain itself. Eggs contain about 21 essential amino acids that the body needs for proper functioning and growth or repair. The quality of the protein provided by eggs sets the standard for biological value used to measure other protein sources. Source: HealthLine.com