BIOS-252: ANATOMY & PHYSIOLOGY II

BIOS-252: ANATOMY & PHYSIOLOGY II 1.What type of hormones bind to receptors located on the cell membrane? -water-soluble hormones, such as insulin and epinephrine -lipid-soluble hormones, such as thyroid hormones and cortisol water-soluble hormones, such as insulin and epinephrine 2.Which intracellular substance degrades cAMP, thus inactivating the response to a hormone? -phospholipase C -adenylate cyclase -phosphodiesterase -protein kinase C phosphodiesterase Brainpower / 3.Growth factor hormones, such as insulin, bind to which type of receptor? -intracellular receptors -tyrosine kinase receptors -G proteins tyrosine kinase receptors 4.Which is the correct order of events for hormones activating Gs proteins? -activation of G protein, binding of GTP, activation of phospholipase C, activation of DAG and IP3 -activation of a G protein, tyrosine kinase receptor, phosphorylation of intracellular proteins -activation of G protein, binding of GTP, activation of adenylate cyclase, conversion of ATP to cAMP activation of G protein, binding of GTP, activation of adenylate cyclase, conversion of ATP to Camp 5.Which second messenger causes the release of calcium from the endoplasmic reticulum? -tyrosine kinase -cAMP