Answer :-There are mainly 3 classes of hormone
1.Amino-Acid based - water soluble (Hydrophilic)
- amines (simple amino acid)
-peptides (short chains of amino acids)
-proteins (long chains of amino acids)
Example :-epinephrine and norepinephrine........
2.Steroids - lipid soluble (Hydrophilic)
-synthesized from cholesterol
- Only gonadal and adrenocortical hormones are steroids
Example :- testosterone and estrogen are steroid hormones..
3.Eicosanoids - active lipids made from arachidonic acid
-only affects nearby cells (paracrine)... Thanks dear student
Get Answers For Free
Most questions answered within 1 hours.