Main article: Protein (nutrient) A complete protein (or whole protein) is a source of protein that contains an adequate proportion of all nine of the essential amino acids necessary for the dietary needs of humans or other animals.
Ethics is defined as a moral philosophy or code of morals practiced by a person or group of people. An example of ethics is a the code of conduct set by a business. the study of standards of conduct and moral judgment; moral philosophy. a treatise on this study.
In earlier usage, the term referred not to morality itself but to the field of study, or branch of inquiry, that has morality as its subject matter. In this sense, ethics is equivalent to moral philosophy. Although ethics has always been viewed as a branch of philosophy, its all-embracing practical nature links it with many other areas of study, including anthropology, biology, economics, history, politics, sociology, and theology.