Lecture outline 13
9/26/01 

Hormones

• definition
• classification
• lipophilic
• lipophobic
• cell surface receptors
• insulin receptor - kinase
• glucagon receptor - G-protein coupled
• intracellular receptors
• steroids.
• plant hormones - example, ethylene.

• structure of the nerve cell
• electrical impulses as means of information transfer
• membrane voltage and potential
• ion concentrations inside and outside cells.