Melatonin is neither a steroid nor a protein; it is a hormone primarily produced by the pineal gland in the brain. It is derived from the amino acid tryptophan and is classified as an indoleamine. Melatonin plays a key role in regulating sleep-wake cycles and circadian rhythms.
no
It is a Protein.
no
no
No, estrogen is a steroid.
protein
No, a steroid is not a type of protein. Steroids are a type of organic compound that have a different structure and function compared to proteins.
No they are not steroids. They are made up of proteins
No, GnRH or gonadotropin releasing hormone is not a steroid, but rather a peptide (type of protein) hormone.
List of steroid based hormones: * Glucocorticoids * Mineralocorticoids * Androgen * Estrogen * Progestogen
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Insulin is a protein hormone therefore it is a non-steroid hormone.