A monomer/dimer/heterodimer?

How many membrane spanning loops in each monomer?

Where is the catalytic site?

What activates adenylate cyclase?

What effect does the binding of the alpha subunit have?

What does adenylate cyclase produce?

Why cAMP? A variety of hormones...

Why cAMP? A hormone can activate...

Why cAMP? The same hormone doesn't have to...

What is cAMP (as part of the cascade)?

What effect does the cholera toxin have on Adenylate Cyclase?

What effect does the pertussis toxin have on g-protein alpha subunit?