What is the difference between Vitamin and Hormone?

Vitamin:

1. Vitamins are synthesized in plants and taken by animals cheifle through diet.

2. Chemically these are various compounds like esters, organic acids, etc.

3. Mostly these are coenzymes or a constituents of coenzymes.

4. Vitamins have catalyc action.

5. Their deficiency causes specific deficiency disease(symptom).

Hormone:

1. Hormones are secreted mostly by endrocrine glands and some by neurosecretory cells of animals.

2. These are water soluble amino acids and polypeptides or fat soluble steroids.

3. Mostly these are excitatory, sometimes inhibitory but never act as coenzyme.

4. Hormones directly influence gene expressions.

5. Deficiency causes metabolic disorders.