Anewly discovered hormone contains four amino acids linked together. under which chemical class would this hormone be classified?
lipid-derived hormone
amino acid-derived hormone
peptide hormone
glycoprotein

peptide hormone

Explanation:

Peptide hormones is a molecule that contains four amino acids linked together. These hormones are proteins that have endocrine (hormonal) functions. Some create metabolic performance improvements through communication with the body to trigger the release of growth hormone into the blood. When this occurs the benefit shows in our ability to quickly build muscle mass and release stored fat.

the answer will be a) proteins i believe