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

Question

Quizplus · Accepted Answer

Structural proteins are fibrous and contractile proteins found in various parts of the body, including bones, teeth, skin, muscles, blood vessels, and hair.

Answer: A
 Chemical messengers that regulate metabolic processes are called hormones, which are usually produced by the endocrine glands and transported to target organs.

Answer: B
 Nutrient-binding proteins are also known as transport proteins, which combine with nutrients and carry them throughout the body, regulating their circulation and flow into and out of cells.

Answer: C
 Proteins that bind to antigens and inactivate or destroy them are called antibodies, which are a key component of the immune system.

Answer: D
 Catalysts that change the rate of chemical reactions are called enzymes, which are usually proteins.

Match the Category of Physiological Proteins with Their Function