Answer
C
Work Step by Step
A signaling molecule activates a receptor protein on the cell membrane. This signal is amplified and tranducted into the cell as the second messenger is introduced to the cell cytoplasm.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.