Different body cells can respond differently to the same peptide ...

[sammy]

Different body cells can respond differently to the same peptide hormones because
A) different target cells have different sets of genes.
B) each cell converts that hormone to a different metabolite.
C) a target cell's response is determined by the components of its signal transduction pathways.
D) the circulatory system regulates responses to hormones by routing the hormones to specific targets.
E) the hormone is chemically altered in different ways as it travels through the circulatory system.

[penguins]

For sure it has to be C Mark as solved once you're done!

[sammy]

Beauty! You were right on this one again