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.
On October 25, 1774, the First Continental Congress sends a respectful petition to King George III to inform his majesty that if it had not been for the acts of oppression forced upon the colonies by the British Parliament, the American people would be standing behind British rule.
1851: Congress creates reservations to manage Native peoples. The U.S. Congress passes the Indian Appropriations Act, creating the reservation system. The government forces Native peoples to move to and live on reservations, where it can better subdue them.
True is the correct answer