Question 1
When adenylyl cyclase is activated,
◦ steroids are produced.
◦ calcium ions are released from intracellular stores.
◦ cAMP is formed.
◦ protein kinases are metabolized.
◦ cAMP is broken down.
Question 2
Second messenger molecules directly
◦ change the regulation of ion channels.
◦ increase intracellular calcium concentration.
◦ change regulation of gene activity.
◦ change enzyme activity.
◦ All of the answers are correct.