Biochemistry
Why is PKA considered a serine/threonine kinase?
How does a decrease in cAMP concentration affect PKA activity?
What is the result of the dissociation of regulatory subunits from PKA?
What happens to PKA's structure when cAMP binds to its regulatory subunits?
How does cAMP phosphodiesterase contribute to signal termination?
Why is GTPase activity in the G protein alpha subunit important?
What happens when epinephrine binds to the beta adrenergic GPCR?