Biomolecules — Chemistry STD 12 Science — Question

→"Hormones are molecules that act as intracellular messengers. These are produced by endocrine glands in the body and are poured directly in the blood stream which transports them to the site of action."
→" In terms of chemical nature, some of these are steroids. e.g. estrogens and androgens, some are polypeptides for example insulin and endorphins and some others are amino acid derivatives such as epinephrine and norepinephrine.