Match the Category of Physiological Proteins with Their Function

Multiple Choice

Match the category of physiological proteins with their function.
-structural proteins

A) chemical messengers secreted by endocrine tissue and transported to target organs where they regulate metabolic processes
B) combine with nutrients and regulate their circulation and their flow into and out of cells
C) bind to antigens and inactivate them or cause them to be destroyed
D) catalysts that change the rate of reactions occurring in the body
E) fibrous and contractile proteins found in bone,teeth,skin,muscles,blood vessels,and hair