Chapter 7 - Cell Communication and Multicelluarity - 7.4 - Cells Change in Response to Signals in Several Ways - 7.4 Recap - Learning Outcomes - Page 145: 1

1) Binding of an odorant molecule to its designated receptor activates a G protein. 2) The G protein kick-starts the synthesis of cAMP. 3) cAMP opens ion channels. 4) Changes in ion concentrations inside the cell initiate a signal to the brain, which reads the signal as a scent.

1) Binding of an odorant molecule to its designated receptor activates a G protein. 2) The G protein kick-starts the synthesis of cAMP. 3) cAMP opens ion channels. 4) Changes in ion concentrations inside the cell initiate a signal to the brain, which reads the signal as a scent.