What are “antagonistic” hormones? Provide an example.

How does the receptor location differ for lipid- versus water-soluble hormones and why?

Part of the "fountain of youth" solution may lie in hormonal control. Explain which hormone and how this would work.

What characteristics of a chemical substance define it as a hormone, and how can hormones attain cell type specificity?

Describe the cellular mechanism of action of peptide hormones

Why are eicosanoids often referred to as "local hormones"?

Do amine hormones have intracellular or cell surface receptors? Ex: epinephrine?

Is a hormone changed as a result of binding to a receptor? Is the receptor changed as a result of binding the hormone? What are the binding forces between hormone and receptor?

What do you mean by tropic hormones? Give some examples.

What are the major types of hormone structures? Provide two examples of each.