Answer
They are "hormones" that are protein-containing substances that play a role in the regulation of cell functions, although it should be noted that this is not their only function
Explanation
Protein is a class of nitrogenous compounds which contains large molecules which compose amino acids. Protein can be sourced from different varieties of food some of them being eggs, beans.seafood and many others.
Proteins can perform many different functions in living cells. One major function, acting as a catalyst for chemical reactions, They have "hormones" that are protein-containing substances that play a role in the regulation of cell. They are also required for regulation of body tissues and organs among other things they perform.
Regarding Africa's continent, European nations fail to consider that the Europe's arbitrary post-colonial borders left Africans bunched into countries that don't represent their heritage, a problem that is still present at this days. The nations of the african continent<span> are largely defined not by its peoples heritage but by the follies of European colonialism.</span>
Culturally, the medieval era was dominated by the church which emphasized human beings' lowliness in contrast to the greatness and holiness of God. The church remained strong in the Renaissance, but humanists of the Renaissance emphasized the God-given capabilities of human beings, created to do great things. And so, many great things were done by energetic and imaginative human beings of the Renaissance -- in art, architecture, literature, science, etc.
Socially, politically, and economically, medieval life focused on feudalism and agricultural life. The people lived on lands owned by the great landowners (the nobility), and the political power centered in the hands of those nobles. Economic value was tied to land ownership and agricultural production. In the Renaissance, cities rose to prominence. Banking and trade and budding industries became new ways of generating wealth, social status, and political power.
