Question

use the terms below to identify the biomolecules on the flashcards. secondary denaturation peptide amino acids primary tertiary enzymes polypeptide protein hormones quarternary identify the term or image on the cards. 2/11 chemical signaling molecules, usually proteins or steroids, secreted by an endocrine gland that act to control or regulate specific physiological processes

Explanation:

Hormones are chemical - signaling molecules, often proteins or steroids, secreted by endocrine glands to regulate physiological processes.

Answer:

hormones