Illustrate the differences between the mechanism of action of a protein and a steroid hormone.
Protein hormones |
Steroid hormones |
They correspond with the membrane-bound receptors. |
They correspond with the intracellular receptors. |
They give rise to a second messenger for further action. |
They do not give rise to second messengers. |
The effect of these hormones changes cellular metabolism. |
The effect of these hormones changes gene expression or chromosome function. |
Examples: insulin, glucagon, etc |
Examples: cortisol, testosterone etc. |